Sort by
Relevancy

Free Stories

100%
Allison the pool slut part 1
Allison had now had her fair share of whore experience. The teen boyslut had fallen in love with big cocks, anal creampies, facials, swallowing, and the rest of the nasty fun she had while becoming a sissy whore for her black neighbor and his dark dicked friends. Little did she know she was going to... Read full Story
shemale lover 2013-06-05 7,880 Teen (18+) Cumshot Big Cock ass fucking Interracial cd
100%
Tranny Attack
Tears of pain pricked my eyes as Julia drove her huge black cock into my ass. In my wildest dreams I had never expected myself, an all-American straight white male to be in this situation, beaten, bound, and being ass-fucked by a transsexual with a huge cock. I am a normal sort of person, happily... Read full Story
shemale lover 2011-10-15 7,248 anal Cumshot Big Cock Ebony
100%
Uncle sweet Lover
Uncle Barney called me this morning and wanted me to keep my evening free. He wanted to meet me at the motel with a surprise for me. I was so excited and could hardly wait. I had to decide on something to wear, but when I thought about it, I realized that I wanted to wear something special. He would... Read full Story
Regina10 2024-02-19 4,941 anal Crossdresser Big Tits Creampie Fetish Blowjob Big Cock Ebony Ladyboy Guy Fucks Shemale Mature big ass femboy
100%
KING OF TRANNY CHASERS ENTRY 2
LAST YEAR TO CELEBRATE MY BIRTHDAY I DECIDED TO FULFILL ONE OF MY SEXUAL FANTASITES. I HAD BEEN WITH 2 CIS WOMEN SEVERAL TIMES BUT NEVER HAD I BEEN WITH 2 TRANNIES. MY BIRTHDAY WAS ON A FRIDAY SO I SPENT THAT DAY AND THE NEXT CELEBRATING WITH MY FAMILY AND GINA..THAT SUNDAY I SET UP AND PLANNE... Read full Story
Ghostface drillah 2024-07-04 2,201 anal Amateur Group Sex Big Tits Cumshot Shemale Fucks Guy Fetish Big Cock Guy Fucks Shemale big ass Homemade Ass to Mouth shemale fucks shemale
80%
Samantha sissy TGTF
Theme and genre of the story: The genre is about gender bender, futanari, gay, physical transformations of the body, magic and biology, the kink in particular that must excite in the story is the perversion of the transformation of the body and mind through a magical element that manipulates biol... Read full Story
Samantha sissy world 2022-09-20 4,832 Teen (18+) Crossdresser Big Tits transformation transgender feminization pov sissification Cartoon magic Gender Bender
80%
Lover Delight
Lover's Delight Ebony was a delight for Brian… and Lovers Delight is what the guys called Ebony down at the local. She was a hot babe that everyone wanted but Brian was the one she chose as her full time lover and friend. She knew how to please him and he knew how to tease her and what ... Read full Story
iluvgurls 2018-11-14 4,706 Cumshot Creampie Blowjob Big Cock Ebony domination cum in mouth
100%
All Right I'll Do It Chapter 3
The door closed and the four of them were gone. I stood there overwhelmed with the dried and drying cum on my face and in my hair. Dave's pee and cum was still deep inside me and my throat ached from Robert's cock. But Dave had me really scared so I decided to clean up the house as he said despit... Read full Story
shemale lover 2012-10-11 4,367 Cumshot pissing Sex Toys cum swallowing
100%
I got anal creampied at the beach!
As soon as we got onto shore, I knew it was the perfect place. The hot sun was beating down on us and my body was tense with anticipation. Finally, we were going to be alone out in the wilderness with nobody around and could enjoy each other thoroughly. My hunky date and his monster cock were going ... Read full Story
Madison Heights 2022-12-01 4,932 Cumshot Outdoor Creampie Fetish Blowjob Big Cock Ebony Guy Fucks Shemale public bbc massive
33%
A Certain Perception
Kyra was not the girl of my dreams. I never DARED dream a woman that good would just walk into my life. She was smart, sassy, vivacious, intuitive, resourceful, and a real 'people person'. We met in an Internet chat room called "Working Girls". We're not talking about the kind you find in ... Read full Story
shemale lover 2012-02-23 8,349 Fetish transformation dildo
50%
My erotic dream
Over the past few years I have been thinking about one very important thing.To jerk off all the time and to think about beautiful, sexy trannies who want you to fuck them for the rest of your life. I give in to temptation and when I see cum on my face, that's when a strong orgasm calls to action. In... Read full Story
Kalio 2024-03-06 4,431 Cumshot Masturbation Shemale Fucks Guy Blowjob big ass Compilation
100%
I was backstage giving blowjobs at a transsexual beauty pageant
I was backstage giving blowjobs at a transsexual beauty pageant I had this neighbor, who cross-dressers on weekends for a LGBT club. She invited me to an annual transsexual beauty pageant. Beautiful slutty shemales competing to be the official beauty queen for the club. She happens to be hosti... Read full Story
My Shemale Attraction 2024-08-07 2,471 Crossdresser Group Sex Big Tits Cumshot Blowjob blonde Big Cock Ebony gangbang domination pantyhose
100%
Sally's First Chapter 2
As I pulled out of the parking lot of the motel it occurred to me how much different it was driving in heels and a skirt riding up to my crotch. I was the girl I had always tried to find driving. I had my left foot up against the seat and almost touching the door with my right spread to work t... Read full Story
shemale lover 2012-08-29 3,569 Big Tits Cumshot sucking Big Cock Ebony
91%
Hot Slutty Sissy
Hello, It’s me, and. I am about to make a big decision and right now I am dedicated to my fantasy. I got a call today from one of my ex boyfriends. I got so horny when I heard his voice that my nipples turn to steel. My titties seem to respond to the sound of his vibrating baritone. I couldn’t refu... Read full Story
Regina10 2020-08-14 6,913 Crossdresser Cumshot Bareback Fetish Blowjob blonde Big Cock Ebony Ladyboy Lingerie Guy Fucks Shemale Ass to Mouth
100%
Sissy Slut Reunion
Rob had moved back to town and called me. He had just moved into his new place and he wanted me to come by and talk. I knew what he really wanted from the tone of his voice, because I wanted it too. He said he had been thinking and dreamed about me the whole time he was away. My spirits lifted and ... Read full Story
Regina10 2020-09-14 4,312 Crossdresser Big Tits Cumshot Bareback Creampie Fetish Big Cock Ebony Ladyboy Guy Fucks Shemale Ass to Mouth cum in mouth
84%
First Time: How I Love Cock
The first time I ever sucked a dick was when I was around 12 years old. I was at a sleep over with a friend. We were camped out in his backyard in a tent and he started things out tentatively by asking about my luck with the ladies, which was non-existent. Then he suggested that since neither of us ... Read full Story
wickeddogg 2019-12-11 33,900 Teen (18+) Cumshot Bareback Blowjob cum in mouth
72%
ACROSS THE STREET AND TWO DOORS DOWN by Spanky de Bautumn
Jamie knew he was different. He didn’t fit in with the other boys, but he didn’t feel like he fit in with the girls either, he just knew he was different. He wasn’t into dolls or balls. He was the smallest boy in his class and more than half the girls outweighed him. But the one thing he had going f... Read full Story
SpankydeBautumn 2021-01-29 11,502 Teen (18+) Small Tits Crossdresser Fetish Blowjob Lingerie Guy Fucks Shemale cum in mouth
100%
Sissy Slut and Stepdads part 2
My mother kicked Frankie out and swore that he was the last loser she would ever date. She believed that we were still having sex, and she was right. Pure raw animal lust drove us, and It was even better when we sneaked and got. That nervous adrenaline mixed with my passion and made me super horny a... Read full Story
Regina10 2021-02-15 4,224 Teen (18+) Crossdresser Big Tits Cumshot Masturbation Fetish Blowjob Big Cock Lingerie Guy Fucks Shemale Homemade Ass to Mouth
100%
Hits, Misses: G
Ok, what follows are some accounts of hookups and almost hookups I've had with transwomen in the late 2000s, early 2010s. Some I think about a lot. Others I've forgotten completely and am attempting to interrogate my memories. Things have changed a lot in the culture, mostly for the better. Visibili... Read full Story
bybaking 2024-02-06 4,932 anal Amateur Cumshot Bareback Big Cock Ebony Guy Fucks Shemale Interracial black Tgirl
100%
Poolside Fun
It was a perfect day for lounging by the pool, the temperature was just right and the sun was shining brightly with billowy clouds of white decorating the sky. With manicured hedges, the neighbors couldn't see a thing, which made nude sunbathing a perfect option. Chancellor had invited a friend over... Read full Story
shemale lover 2011-09-17 3,565 Cumshot Big Cock deep penetration
100%
Voodoo
I was walking though a neighborhood, looking for a house to brake into, I came up on to this house it was small, I think about a three bed roomed house, I walked up the path, then I walk around it to find a open window or door and I found an open window leading into the cellar. Yeah, I am Alex Ha... Read full Story
shemale lover 2012-09-09 4,007 Cumshot Blowjob Big Cock Ebony domination
80%
A Fairy Tale Part 1
=-=-Chapter One-=-= "Heather?" My boyfriend was knocking on the bathroom door. "What's wrong, are you okay? Heather?" "Yeah..." I swallowed thickly and that was a mistake. I threw up some more, kneeling on the floor, feeling like I was dying. "Heather?&q... Read full Story
shemale lover 2011-12-06 11,626 Bareback cum ass fucking slave
66%
The teenage slut
Hey folks Sandy here once again. I know every time you see me I go up one grade level but this is one tale I felt I should tell you. Let me start at the beginning after me and Bella fucked each other. Well were still together. Laughing, eating together, just having fun basically. We still fuck in th... Read full Story
shemale lover 2012-04-25 3,716 Teen (18+) Cumshot oral sex cum swallowing
100%
Big Surpise In Small Package
It was a Friday night and I was extremely horny and just my luck my girlfriend was out of town, but I wasn't horny for her I was craving cock. I knew I was bi for a long time and loved to have a nice hard cock to play with every once in awhile. So I decide to call my girlfriend to tell her I was goi... Read full Story
shemale lover 2012-06-11 4,374 anal Group Sex Cumshot Blowjob
50%
Black Transsexual Power
My name is Aaron Joseph. A six-foot-tall, good-looking young Black man of Haitian descent living in the town of Nepean, Province of Ontario. I hate the town of Nepean and the Ottawa Metropolitan Area, man. Folks out here are racist and seriously kind of fake. I really wish I lived in a more diverse ... Read full Story
shemale lover 2012-07-08 3,874 Cumshot shemale Ebony oral sex bbw
100%
New Orleans TS dream come true..
In was on New Orleans running water for the victims of Katrina in 2005. I went down to Bourbon St several times an one night I walked into adult fetish store and as I was looking around there was what appeared to be a very beautiful black woman bending over with a very short skirt on. I was admirin... Read full Story
jim3801 2018-09-11 10,774 Group Sex Bareback Shemale Fucks Guy threesome Big Cock Ebony Guy Fucks Shemale Interracial Ass to Mouth cum in mouth
94%
Crossing lines
It had always been a fantasy of mine. I have very feminine features and long natural straight brown hair. Which recently I had shortened to chin length. I have been dressing in womens clothing now for many months and had decided that this was the night in which I get made up totally and head ou... Read full Story
Zöe from Kingston 2019-02-04 11,219 Stockings Crossdresser Cumshot Outdoor Bareback Shemale Fucks Guy Blowjob Big Cock Ebony Guy Fucks Shemale Interracial
86%
Alex’s Bottom Slut
So when I was younger, I worked at a pizza place as a delivery guy. It was a pretty boring job for the most part but that all changed one night. I got a delivery to just outside of our range but decided to take it anyways because we were slow. When I got there a very tall and muscular black woman in... Read full Story
Jsmithsub 2019-11-18 56,908 Group Sex Cumshot Shemale Fucks Guy Blowjob Big Cock Ebony gangbang domination Interracial Ass to Mouth cum in mouth
93%
Chasity's white pussyboy
I led Chasity into the apartment. She was looking for a one bedroom, furnished place and had called about my ad in the newspaper. I hoped to rent this place quickly, then I would be full and could devote my time to some maintenance and repairs rather than showing places. I looked at the renta... Read full Story
blakepalmer 2020-06-08 16,024 Cumshot Bareback Blowjob Big Cock Ebony domination Interracial black shemale cum in mouth
85%
The Gang
I had always thought of myself as female in spite of the fact that I was born with male genitlia. Even in my earliest memories where I had witness sex, I identified with the female in the relationship. As a small young child, I had always longed for womanhood each time I heard a woman sing or especi... Read full Story
Regina10 2020-06-29 9,023 Group Sex Cumshot Blowjob Big Cock Ebony gangbang double anal
100%
College project surprise
So this story happened while I was still in college and remains without doubt, the craziest, most exciting experience of my life. So I the story begins one day when I walking to class. I went to a big university so my walk was quite long, and the first 1/3 was just through off our campus housin... Read full Story
Jsmithsub 2020-09-16 21,262 Group Sex Bareback Shemale Fucks Guy Fetish threesome Big Cock Ebony domination Ass to Mouth cum in mouth
100%
The Experience of a Lifetime
My divorce was hitting me really hard. My wife outgrew our relationship and started living her own life and I had a front row seat to everything. My heart and life was upside down. I didn’t go out anymore. Friends and family both told me it was time to get my life back on track and start living ... Read full Story
therefill05 2020-11-30 20,287 Big Tits Cumshot Bareback Creampie Shemale Fucks Guy threesome Blowjob blonde Big Cock Ebony Uniform domination cum in mouth
90%
Saving My Marriage
I love to write Erotica. For story requests please send me a private message or email noirenoire10@gmail.com It was our anniversary. Today made five years that my wife and I have been married and we were taking a road trip to celebrate. I chose our destination but I let her choose all of our a... Read full Story
therefill05 2021-02-16 6,230 Cumshot Bareback Creampie Shemale Fucks Guy threesome Blowjob Big Cock Ebony domination Sex Toys cum in mouth
100%
Regina's scary, and sexy Blind Date
I had just finished doing my makeup, finally deciding which blush to use, and I thought I had some time for my meditation. However, Mr. Cobb was early. The gold minidress I wore showed enough legs, ass and tits to make any man horny, and the strappy tanned five-inch sandals, made me feel majestic ... Read full Story
Regina10 2024-03-18 4,799 anal Crossdresser Bareback Creampie Fetish Blowjob Ebony Guy Fucks Shemale big ass sissy Ass to Mouth cum in mouth
100%
I had park sex with three HUNG black guys after dark !
So last night, I had sex with three black guys at a park last night as of writing today. This happened at midnight. But, let’s reverse and start from the beginning…. I left my house because I was feeling a little frisky and if anyone knows what sniffles app is , if you know , ..you know! So a hot sp... Read full Story
Ezra_Kyle25 2024-08-18 1,464 anal Crossdresser Cumshot Bareback Blowjob Big Cock Ebony domination Guy Fucks Shemale big ass femboy Ass to Mouth cum in mouth
100%
Mommy Writes for Mandy
We work in a big corporate office. I am the owner of the advertisement company and you are my secretary. You are fully Mandy. You started taking hormones years ago to fully become a girl. Your hair is grown long and you have little a cup breasts and chose to always wear dresses, skirts, frilly blous... Read full Story
shemale lover 2013-03-12 4,708 Teen (18+) Crossdresser Cumshot Lingerie ass fingering
100%
First fuck in public ;)
You’re only wearing a coat, I find a place where, I can kiss you then slide my hand between the flaps of your coat. I expose your breasts and slide my hand down across your tummy down to your pussy. My fingers start to explore your soft bush, working there way to your soft pink lips surrounding your... Read full Story
BalkanLoco91Ri 2019-08-26 3,954 Stockings Teen (18+) Amateur Big Tits Cumshot Outdoor Masturbation Bareback Creampie Blowjob Big Cock Uniform domination Homemade pov cum in mouth
100%
Amy and the Straight Jocks PT1
Only a couple close friends knew for sure and most others knew it as just a rumor. Amy dressed and lived life as a girl like she had since the start of high school when she moved from a new town. The jocks would laugh and whisper to each other when she walked by debating if the rumors were true. Co... Read full Story
DADDY4sluts 2022-08-09 3,967 Teen (18+) Cumshot Bareback Creampie Blowjob Guy Fucks Shemale cum in mouth
92%
My story
"You're gonna make me suck that, aren't you?", I asked her. " Yes" she said. "But you're going to suck it because you want to". " I doubt that", I said. "We'll see", she said with a smile. "You're gonna cum in my mouth, aren't you?", I asked? "Yes baby, Mommy is gonna feed you her sweet nectar... Read full Story
Curious_billy 2022-12-01 7,048 Teen (18+) Cumshot Bareback Shemale Fucks Guy Big Cock domination Homemade cum in mouth
60%
Daniel, Dani, Dana
After an hour of some hot steamy role playing online I got up from my computer. This newest and best chat friend ever was helping me enjoy this private time more than ever. My feminine alter ego seemed to flourish and delight when I spent time with him in chat. Wearing a little more risque under thi... Read full Story
shemale lover 2012-06-08 4,875 Fetish crossdressing sissy
93%
New School, New Life
Part of my father's job is on-campus recruiting, so when it was time for him to spend a week at the university where I was enrolled for the following fall, we decided that I should go with him and familiarize myself with the campus. We left on a Friday morning to ensure I'd have a full week on ca... Read full Story
shemale lover 2013-02-06 8,839 Teen (18+) Crossdresser Cumshot sucking ass fucking
100%
After Gym Class Chapter 01
I was tired. It was the last period of the day, so at least the day would be over soon. I didn't sleep very well last night, still thinking about that jerk Josh and what he had said. "I really want someone who is more open to doing different things sexually," he had said. What the fuc... Read full Story
alwaysupforu2004 2014-09-17 6,778 Teen (18+) Cumshot suck shemale stroking
90%
Thai Ladyboy
One year ago, when I was 19 I went back to Thailand. The year before was to see the sights and explore the country, the second was more exploring and more fun, the third and final time was to get with as many ladyboys as possible. I had always been curious about trans women. Im not attracted to ... Read full Story
BEN437 2018-11-19 13,519 Teen (18+) Amateur Cumshot Bareback Creampie Blowjob Big Cock Asian Ladyboy domination Guy Fucks Shemale cum in mouth
100%
Thai Ladyboy
One year ago, when I was 19 I went back to Thailand. The year before was to see the sights and explore the country, the second was more exploring and more fun, the third and final time was to get with as many ladyboys as possible. I had always been curious about trans women. Im not attracted to ... Read full Story
BEN437 2018-11-19 5,223 Teen (18+) Amateur Cumshot Bareback Creampie Blowjob Big Cock Asian Ladyboy domination Guy Fucks Shemale cum in mouth
71%
TGirl Initiation by 3 BIG BLACK 12
In my teen years I was often told that I was quite feminine.The high school punks always told me that I filled out the back of my jeans in a girly way. After taking a shower one day I did notice that they were right, I had a nice white bubble butt. Not to mention that my lips were also quite girly. ... Read full Story
TgirlJill4BBC 2013-06-04 9,182 Stockings Cumshot suck Big Cock Lingerie Interracial Latex
90%
A Sissy (S)exercise Fantasy
I stopped going to the gym about six months ago, when money got tight and I had to find ways to reduce my expenses. I usually don't get to the gym much in the spring or summer months anyway, so it was an easy expense to cut. I hate going into the office all sweaty, so I avoid working out in the morn... Read full Story
shemale lover 2012-06-14 9,439 Cumshot Fetish domination oral sex sissy
84%
Lesser of Two Evils
My name is Eric. At 21, I was working as the IT guy at a prominent Caribbean cruise company. My days were usually pretty boring. Fixing computer problems were usually a no brainer for me. People are so stupid when it comes to how they use their machines that I assume there will always be a need for ... Read full Story
shemale lover 2013-03-27 22,889 hardcore Cumshot sucking ass fucking Guy Fucks Shemale
28%
Current Fantasy
I really wanna get fucked for the first time and my dream way of doing it, always wanted to do a porn. The dream is that I go there and get done up in such a way, I am unrecognizable, just looking the best. Have a tranny come in and do my make up, the way she likes it and gives me a preview of what ... Read full Story
martley 2023-06-30 5,443 anal Amateur Group Sex Cumshot Fetish Big Cock Lingerie big ass Homemade femboy shemale fucks shemale cum in mouth
100%
From accidental trans porn addiction to a cum filled booty
One night when I was around 30 or so I was watching some porn, nothing unusual for a guy like me, aka a sex addict. Sex addiction is great if you’re Tiger Woods and swimming in poon, but for guys like me - regular, awkward, slightly handsome in a very boyish way, weirdos — it’s not that fun. We... Read full Story
CDJaneBooty 2022-04-01 10,277 first time Crossdresser Amateur Cumshot Bareback Creampie Blowjob Big Cock gay Homemade Ass to Mouth curious first time with a man
50%
Two cocks and a pussy
I'm alone in my apartment and super horny, so I decide to have some kinky alone fun time. I strip and shave my body. I'm smooth now. I put on a sexy thong and bra. Next I put on a garter belt and super sexy thigh highs. Next I put on a super short and sexy skirt, lastly I put on a lace blouse. Next ... Read full Story
spreadforalldik 2024-07-09 1,993 anal Crossdresser Group Sex Cumshot Bareback Fetish Blowjob cum Lingerie pantyhose crossdressing Ass to Mouth cum in mouth
90%
Big Daddy
BASED ON ACTUAL EVENTS As is the case with most hard drug users, you start off small and end up making your way up. Since I was 15 I had been smoking weed. One of my friends had introduced me to some other drugs like meth or coke a few years later. The weed was still a big influence but it all se... Read full Story
shemale lover 2012-06-09 6,128 Crossdresser Cumshot Fetish oral sex
100%
Fringe Benefits
Shawn showed his employee badge to the TSA agent and was waved through to the metal detector. He quickly slid off the lanyard placing it into small bin to take a ride down the conveyor belt. Once he was fully cleared, he collected his belongings and headed away from the security checkpoint to the Of... Read full Story
shemale lover 2012-10-20 3,686 anal Cumshot Fetish oral sex sissy
80%
intimate Cousins
My favorite cousin and first lover, Billy, was just released from prison and I was anxious to see him. I am ecstatic that he is out, and I am thinking about all the past fun we had as I prepare to revisit those good times. Tommy knows all about my relationship with Billy and he understands my need t... Read full Story
Regina10 2022-05-13 6,192 Stockings Crossdresser Cumshot Masturbation Bareback Blowjob Big Cock Ladyboy Guy Fucks Shemale Ass to Mouth cum in mouth double anal
100%
Nikki's Massive Strap-on
A quick recap in case you haven't read my previous stories. My name is Kacey. I'm 20 years old, white, 5'10" and 150 lbs. I have straight, shoulder length dark brown hair, light brown eyes and a thick, 6" cut cock. My girlfriend is Hannah, who also 20 years old and stands 5'10" weighing in at 140 lb... Read full Story
KaceyKlarissa 2024-02-23 5,025 anal Crossdresser Big Tits Cumshot Fetish Big Cock Lingerie Shemale and Girl domination big ass Futanari sissy cum in mouth
100%
A Series of Perverse Dreams, Part 2
Three or four days had passed since my torrid alley way dream. Hannah had recently come over to share a few glasses of wine and a steamy fuck session in the shower. She had definitely embraced the ways of edging I had shown her because when she came in my mouth I could barely contain the massive amo... Read full Story
KaceyKlarissa 2024-02-29 4,665 Crossdresser Big Tits Cumshot Bareback Fetish Blowjob blonde Big Cock big ass Futanari bukkake sissy cum in mouth
91%
HOW MY AUNT AND SISSY NEPHEW CHANGED MY LIFE FOREVER! (fictional
It was the very first night of my month long North Carolina July summer vacation stay when my Aunt Meg suddenly entered the bedroom that I was temporarily sharing with my younger cousin Rudy. Being so openly effeminine in his body language,voice and looks, I had already planted such dirty thoughts ... Read full Story
CDDIXIE4U 2019-01-08 34,146 Teen (18+) Crossdresser Cumshot Masturbation Bareback Shemale Fucks Guy Fetish Blowjob Big Cock Ladyboy Lingerie domination Homemade Compilation cum in mouth shemale + shemale
50%
SOUS LA DIRECTION DE MAMAN
Jaime n'avait jamais eu beaucoup de chance avec les filles du lycée. C'était venu et reparti, et maintenant il en profitait un l'été dernier avant de partir à l'université avec sa virginité intacte. Ce n'était pas vraiment sa faute, il n'était pas un crétin ou un crétin, c'est juste que la vie et la... Read full Story
Femboy 2021 2023-01-26 1,583 Stockings Teen (18+) Crossdresser Cumshot Fetish Blowjob Big Cock Lingerie Shemale and Girl domination Guy Fucks Shemale Sex Toys cum in mouth