Sort by
Relevancy

Free Stories

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 3,985 Stockings Teen (18+) Amateur Big Tits Cumshot Outdoor Masturbation Bareback Creampie Blowjob Big Cock Uniform domination Homemade pov cum in mouth
100%
A Perfect Pandemic: A Transsexual Transition in a Troubled Time
A Perfect Pandemic A Transsexual Transition in a Troubled Time A Novelette by Alexandra Rios Text Copyright Reserved © August, 2021 Dedication Transgender Day of Remembrance is a solemn occasion. I am offering “A Perfect Pandemic” for free as an antidote to the fear, phobia, discrimination, d... Read full Story
the greatest liar 2021-11-16 6,044 Teen (18+) Crossdresser Group Sex Big Tits Bareback Creampie Big Cock gangbang domination Guy Fucks Shemale Interracial double anal webcams
50%
RANCUNE MATERNELLE ⚧️ ⚧️
"... Dois-je être ici?" Cole a demandé anxieusement. Sa mère s'était détournée de lui, occupée à sortir plusieurs plateaux de lasagnes du four. "Je peux rester chez un ami ou quelque chose comme ça..." Christina, comme sa mère s'appelait, soupira profondément. "C'e... Read full Story
Femboy 2021 2023-03-19 1,051 Teen (18+) Blowjob Big Cock Futanari cum in mouth Mère Futa et Fils inceste
100%
Threesome goes clubbing
Ft. Lauderdale is probably the most LGBT friendly city on the east coast. So many nice restaurants and clubs that welcome all and have many LGBT employees as well. Lydia and I have been married several months, we had met Joanne an absolute amazing transgender girl during a weekend trip to the Baha... Read full Story
Jon Paul 2021-07-08 5,383 Big Tits Cumshot Bareback Creampie threesome Guy Fucks Shemale cum in mouth
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 13,580 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 5,284 Teen (18+) Amateur Cumshot Bareback Creampie Blowjob Big Cock Asian Ladyboy domination Guy Fucks Shemale cum in mouth
100%
Booty call :)
Your cock pounds my ass harder, my cheeks rippling with every deep thrust you give. The sounds of our moans and your balls slapping as you fuck me hard is suddenly broken by the ringing of your phone........... And you wake up. It's 2:30am and I've just finished work. As arranged, I'm giving... Read full Story
BalkanLoco91Ri 2019-08-26 5,432 Teen (18+) Amateur Cumshot Masturbation Bareback Creampie Blowjob Big Cock domination Sex Toys Homemade pov Ass to Mouth cum in mouth
80%
Getting Fucked by Sasquatch
Bill was about to show up, I had known him from a chat room for years now. I was in his town for work and we had set up this date so we could finally meet each other. I heard a hard knock at the door and when I swung it open, I just stood there in awe. It wasn’t the big beard or really long hair tha... Read full Story
pennypenny 2020-08-21 6,131 Crossdresser Bareback Creampie Fetish Blowjob Big Cock redhead domination Guy Fucks Shemale pov Ass to Mouth cum in mouth
50%
She also conquered my soul...
Initiation in a new era... Almost three months since I offered my virginity to a wonderfull he-woman, Selmi... unfortunately I had to cancel the second day we planned to spend together with my LORDESS because I quitted the town where we met the day before. Since, only few summer fling messages...... Read full Story
hippocampus_171 2022-11-22 4,194 Crossdresser Amateur Cumshot Masturbation Creampie Blowjob redhead domination Sex Toys Mature Homemade Ass to Mouth cum in mouth
93%
Sissy schoolgirl and her black daddy
I can't believe this is happening right now. Here I am, a 16 year old white boy dressed in the sluttiest schoolgirl costume and makeup I have ever seen, being barebacked by an older, married black man. How'd I get so lucky?! Let me start at the beginning... It was summer time. As always I spent m... Read full Story
shemale lover 2013-06-22 39,970 Teen (18+) Bareback Creampie Lingerie ass fucking Interracial cd
80%
The Farm
“See you Sunday, baby,” said Marcus Jenkins to his wife, Tasha. “Alright! Have a good day at work,” the wireless phone company retail store manager smiled. “Love you, Kobe! Love you, Tiara,” the wastewater plant operator said to his offspring. “Love you, too, daddy,” the youngsters rang out in un... Read full Story
Faggyboi and Puzziboi 2021-12-08 5,752 Teen (18+) gangbang Guy Fucks Shemale sissy femboy Ass to Mouth
71%
Tricked into threesome
I was online chatting to a beautiful lady on cam. She said how she loved to see men dressed in womens clothes and how excited it got her. She asked if i would meet up with her at her house and to come over all dressed up. So we arranged a time and day and ended chat. I could not wait for the day to... Read full Story
shemale lover 2012-09-11 11,458 Creampie oral sex rimming
66%
Be My Bitch
After a long day at work, I get in my car, and look forward to the long drive home. It gives me time to unwind and relax. I try to forget about the hectic office and concentrate on my beautiful girlfriend waiting at home with that warm smile that she greets me with when I get there. However, tod... Read full Story
Go Balls Deep or Go Home 2018-08-06 31,617 Crossdresser Outdoor Bareback Blowjob Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Interracial Sex Toys Ass to Mouth cum in mouth
94%
The Girl Next Door Ch. 01
derezzed Michael was your average 21-year-old college student. He was on his way home from college for summer break after finishing his finals and looking forward to a few months of relaxation. Driving home Michael reflected on his past three years of college. It had been a great junior year. H... Read full Story
Gwapo67 2022-05-13 6,934 Bareback Creampie Big Cock shemale + shemale
50%
Tutoring Darla
"Professor ..." I glance up from my computer to see Darla, a sweet girl who unfortunately talks a mile a minute for far too many minutes at a time. I immediately wish her away—I'm too busy to pretend to listen to her prattle on today. Still, she means well enough and, anyway, I'm ... Read full Story
shemale lover 2012-09-08 3,934 Big Tits threesome ass licking domination
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 4,909 Teen (18+) Crossdresser Big Tits transformation transgender feminization pov sissification Cartoon magic Gender Bender
100%
A Fairy Tale Part 2
=-=-Chapter Six-=-= I woke up sometime later and I was feeling better, even a little hungry actually, and I wanted a shower and I needed to pee and...I cocked my head as I heard the unmistakable sounds of Mistress Stacy's bed moving. She had a large one, king sized, with old springs or somethi... Read full Story
shemale lover 2011-12-06 6,861 Creampie Big Cock ass fucking
66%
She said I was her fucktoy
So there I was, bent over the bed, face down, buck naked & the feeling of some type of oil being poured down my ass crack. By shivering at how suddenly my asspussy felt so wet, it also looked like I was wiggling my ass in a sexy manner judging by my friend Alma & her reply of "Oh yeah baby. That's h... Read full Story
Curious_billy 2023-06-29 6,151 anal Amateur Bareback Creampie Big Cock Ladyboy domination Homemade
95%
Late night park visit
It was 11pm on a Friday night, I was driving my car back from a failed meetup with a guy I met online a couple of days prior. I thought it was going to be an amazing night, so I spent close to two hours getting my makeup and hair sorted to look pretty for him when we met. I was wearing a short black... Read full Story
Natalie Bishop 2018-10-08 7,336 Amateur Cumshot Bareback Creampie Big Cock Ladyboy domination Guy Fucks Shemale public Park
66%
BBC Takes sissy slut and uses her properly.
I'm a dominate alpha man who loves to humiliate sissy girls and punish them when they aren't perfect submissive sluts. I want them to worship my big black cock and beg me to let them lick it then grab them by their hair and shove my cock deep inside their throat, making them gag. I like filling siss... Read full Story
lemondropz 2023-11-27 7,725 anal Crossdresser Bareback Creampie Big Cock domination Interracial sissy submission femboy bbc Ass to Mouth chastity
65%
Marcia Goes Back to School
Marcia was painfully nervous. She hadn't been able to eat very much in days. The upside was she was even skinnier which would make Mistress and her husband very happy. She'd always been thin and on the diet Mistress Carol had her on she was already thinner than she dreamed possible. Her anxious stom... Read full Story
shemale lover 2012-12-19 10,748 Masturbation Blowjob blonde ass fucking big boobs
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 34,261 Teen (18+) Crossdresser Cumshot Masturbation Bareback Shemale Fucks Guy Fetish Blowjob Big Cock Ladyboy Lingerie domination Homemade Compilation cum in mouth shemale + shemale
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 20,380 Big Tits Cumshot Bareback Creampie Shemale Fucks Guy threesome Blowjob blonde Big Cock Ebony Uniform domination cum in mouth
48%
Black Cherry
The first time I ever cross dressed was when I was seventeen years-old, so not to long ago. I was in my freshman year college and my roommate I was invited to a party thrown by a fraternity on campus. However my roommate was kind a of skeptical about a fraternity inviting a bunch of freshmen to thei... Read full Story
Black Cherry 2017-07-27 9,914 Crossdresser Creampie Ebony gangbang college short story
85%
BANGING AROUND BANGKOK
BANGING AROUND BANGKOK: THE AMOROUS ADVENTURES OF CAITLIN "MEOW" MORRISON after living and working in Thailand/SE Asia for many years i decided to write an erotic story based on some of the people i have known, venues and places i have been, and the P4P night-scene where i spent way too much... Read full Story
bkkldby 2019-06-17 14,304 first time Teen (18+) Amateur Group Sex Big Tits Cumshot Outdoor Bareback Blowjob Big Cock Asian lesbian public place
95%
Proud To Be A Sissy Chapter 8
I woke up to hear daddy lightly snoring and in my sleep I had draped a leg over him so that my body was almost covering him. I giggled to myself realizing that even in my sleep the sissy slut in me reached to grasp his flaccid penis. Then I curled closer up against daddy and contemplated about how m... Read full Story
shemale lover 2012-12-24 9,390 Teen (18+) Crossdresser Uniform Lingerie domination
87%
Southern Hospitality Ch. 03
XtinaSmith2017 Ash looked himself over in his bedroom mirror critically, finding himself oddly self-conscious about his looks. He had been texting Laura all throughout the day and they had agreed that dressing pretty casual would draw the least suspicion, so he had. He wore a simple patterned ... Read full Story
Gwapo67 2022-05-16 4,928 Bareback Creampie Shemale Fucks Guy Blowjob Big Cock Mature cum in mouth
100%
Mein Traum 2
Hallo mein Gebieter, ich hatte einen Traum. Darin gehe ich mal wieder ins Duplexx in der Schönhauser Allee. Nach einigem Cruisen bleibe ich in einer Kabine stehen, lasse die Tür offen und stelle mich mit dem Rücken zum Eingang vor den Monitor. Ich gucke einen Shemale-Streifen und spiele etwas an ... Read full Story
Jasmin_P 2021-03-02 2,131 Amateur Group Sex Bareback Creampie Fetish threesome gangbang domination Guy Fucks Shemale rimjob Ass to Mouth piss drinking cum in mouth
85%
My Orgasm at work
I finally found my sexual fantasy come true at work. I always fantasize about one of my female co-workers (and sometimes all of them) dominating me, pegging me, brutalizing me. That every time they walk by my office, they would pour their coffee on my floor next to my feet and i'll get on my knee... Read full Story
Chickzdigmeyup 2019-06-21 7,121 Teen (18+) Crossdresser Cumshot Latina Bareback Fetish Uniform Lingerie domination Sex Toys
100%
My Fantasy Story
My first time, Sissy Cuckold for BBC After ten years of marriage, my wife and I wanted more. First we went to some strip clubs together. One night one of the girls my wife liked told us about a swingers club. So we gave it a try. Best decision we'd ever made. We went, at first just wallflowers, ... Read full Story
Mikky666 2020-10-09 10,085 blonde Big Cock Interracial Ass to 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 6,282 Cumshot Bareback Creampie Shemale Fucks Guy threesome Blowjob Big Cock Ebony domination Sex Toys cum in mouth
66%
A different couple
I am Hans, as I already mentioned in my previous story, I am a mature guy (47 years old) who came to the Island of Tenerife more than two decades ago. I am a drinker, a womanizer and a gambler. In these more than 20 years I have seen them in all colors. I have made a lot of money and lost as much, I... Read full Story
lkusex 2021-03-08 5,811 Amateur Big Tits domination
100%
The Terrace View Apartments Part 7
My new life had settled into a wonderful routine. I would wake very early in the morning, usually still wrapped securely in Mistress Kendra’s arms. I would spend an hour or so working on my figure maintenance exercises, enjoy a cleansing enema, a refreshing bath and body shave, then I would la... Read full Story
shemale lover 2011-11-19 4,080 Creampie Blowjob domination
100%
Roberta, Molly and Ed
Friday "Commander Cromartie?" Lt. Commander Edward Cromartie, USN, turned toward the voice that had spoken his name. He saw two female naval officers, a tall willowy light-skin Black woman, and a short Asian one. The Black one was wearing the uniform of a full commander, the Asian of... Read full Story
shemale lover 2012-09-04 5,505 Cumshot threesome Blowjob Big Cock condom sex
100%
Working for a Living Chapter 6
I slid out of the old Ford truck driver's side door. Surprisingly, my legs felt a bit shaky as my feet hit the concrete driveway of the Malibu mansion. I nervously straightened my cut-off shorts as I walked around the truck. She was waiting by the tailgate with a big smile on her face. "Wow Jai... Read full Story
shemale lover 2012-10-05 3,721 Group Sex Creampie threesome
98%
When Fantasy Comes True 2
After my first threesome encounter with Jenni and her friend, getting a golden shower from three trans women was a bonus. Being drunk and now four of us snuggled in bed, i thought the night had ended but i did hope for more. I was not disappointed as Jenni's friend (Sasha) who had been sleeping d... Read full Story
Sara Banks 2018-10-22 11,881 Group Sex Cumshot Bareback Shemale Fucks Guy threesome Blowjob Big Cock gangbang domination Ass to Mouth cum in mouth golden showers golden shower
100%
Eve Quest Part 2
Chapter 6 I tossed and turned all night sleeping for short periods, but afraid I would oversleep or that the clock wouldn’t go off. About 4:30 I got up. I reasoned I’d need some extra time anyway so I got started. I sat on the toilet thinking about my douche. Somehow a douche seemed s... Read full Story
shemale lover 2012-04-21 4,420 bdsm domination transvestite
96%
New Job, New Life as as Sissy Slut Chapter 2
I was left lying on the floor, my face completely covered in cum. I was wearing lingerie and a dog collar and I had just been fucked long and hard by my "boss." My virginity had been forcefully taken. The thing is that I loved it. I loved being manhandled by this muscular man and I really ... Read full Story
shemale lover 2012-12-23 7,547 Cumshot Uniform Lingerie ass fucking domination
100%
From a 50's virgin to a Mature good for all
***Prologue - Confessions: Every day since I offered my virginity, I put myself in the shoes of a woman. The little town where I live forbids me to show myself socially. However I made myself an accomplice, my epilator who receives me after closing. Since my new beginning, male masturbations are not... Read full Story
hippocampus_171 2023-01-11 4,514 Stockings Crossdresser Amateur Group Sex threesome Big Cock domination Mature foursome Homemade cum in mouth shemale + shemale milfs
96%
New Job, New Life as as Sissy Slut
I was nearing my thirtieth birthday and times were getting tough financially. I had gotten laid off from my job and was collecting unemployment and doing some part-time work helping out friends with odd jobs. One of them suggested that I look into cleaning houses. I've always been very neat and peop... Read full Story
shemale lover 2012-12-23 9,663 sucking Uniform domination swallowing spanking
94%
The Double Sex For Sissy
Jeff Malville awoke slowly, moaning softly. He almost forgot where he was in that moment where sleep and being awake clashed. However, after that split second, it all came rushing back and he moaned in delight. He was a captive on the Double D Ranch, and even though he was considered an employee... Read full Story
shemale lover 2013-04-10 7,787 Creampie threesome blonde redhead domination double penetration
100%
HOW ONE PEEPING TOM MORNING TURNED ME INTO A SHEMALE SISSY BITCH
It was while cutting across his back trailer park lawn around 7pm on misty July Saturday evening, when I first discovered that Mr. Parker was really a fag. How else could you describe a man wearing a long blonde wig on his head while below he wore only a large somehow stuffed pink lacey woman's bra ... Read full Story
CDDIXIE4U 2019-01-08 14,155 Teen (18+) Crossdresser Amateur Cumshot Masturbation Blowjob Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Homemade Compilation Vintage cum in mouth
100%
Lady In The House Ch. 06
A story by MicheleNylons (Michele continues to be used by prison inmates.) From Part V Harry leant over me and kissed me full on the lips. "That was worth every penny; you are one hot nurse," he laughed. Harry grabbed a handful of my clean white skirt and wiped his cock on it. The silver... Read full Story
✘Transensual✘ 2019-02-25 3,858 Crossdresser domination prisoner prison sex Prison Bitch
100%
Lola Chapter 5
Lola chapter 5 Summer vacation was coming to an end. Most of the time we had been to ourselves, mostly at home but also a couple of shorter trips. Beer tasting in Stockholm's archipelago, a trip to the west coast, overnight stays in hotels, everywhere we were received like any other couple. A fam... Read full Story
BellaBeau 2023-10-30 5,937 anal Cumshot Latina Bareback Creampie threesome Shemale and Girl Lola
100%
The House of Lesslie Part 2
I. I woke up. Even after having taken over the House of Lesslie weeks ago, each morning was still the same, and came with the same feeling of disorientation, in need of a few moments to adjust to the realities around me, as new as they were. The bedroom around me was still darkened by heavy... Read full Story
shemale lover 2011-10-14 4,763 Fetish domination nipples
66%
The Coma Girl Brain Transplant
[This frivolous story is something I put together as an entry for a comedy competition earlier this year, not to be taken at all seriously, a bit more sci-fi than erotica, more of a mind-fuck than anything else so it’s not jerk-off material but hopefully some of you might still enjoy it] Thankful... Read full Story
cara_elaine 2017-12-19 6,663 Crossdresser Uniform domination
92%
MY Party Favor Fantasy
My Party Favor Fantasy A fictional story built around an old fantasy of mine I ran a notice on one of those sex sites that said” Help me fulfill my fantasy and I bet we take care of some of yours also. Hi there, I am Penny and I am a total bottom trans w... Read full Story
pennypenny 2019-01-08 7,443 Stockings Crossdresser Group Sex Cumshot Masturbation Bareback Creampie Fetish threesome Blowjob Big Cock gangbang Lingerie redhead domination Guy Fucks Shemale Sex Toys Ass to Mouth cum in mouth double anal
100%
Intense
Holding to my word, I didn't let the incident with Billy and his friends scare me away from Bailey; I kept seeing her, even after the beating I took. To be honest, I'm not sure if he was trying to lay low or what, but Billy seemed to keep his distance from me for a while...thankfully. Bailey and ... Read full Story
Verpa 2019-10-21 10,942 Big Tits Cumshot Bareback Creampie Shemale Fucks Guy Blowjob Big Cock cum in mouth
100%
Regina’s Double threat.
Hello guys, I recently ran into a former hater who was no longer the hater I had met years earlier. In fact, he had only treated me so horribly because of his own inner dark desires. When we met a few years ago at one of the clubs, he had been very abusive to me. He went out of his way to say hurtfu... Read full Story
Regina10 2022-02-08 3,206 Big Tits Cumshot Bareback Creampie Fetish Blowjob blonde Big Cock redhead Guy Fucks Shemale Ass to Mouth double anal
94%
Southern Hospitality Ch. 01
XtinaSmith2017 Ash gawped at his mother, incredulous as to what she had just said. He understood the basic premise of what had happened, but the reasoning she must have had absolutely baffled him. "Why?! Why would you do that?!" He pleaded, voice light and desperate. She shrugged, looking acr... Read full Story
Gwapo67 2022-05-16 7,313 Bareback Creampie Shemale Fucks Guy Blowjob Big Cock Mature
91%
Southern Hospitality Ch. 02
XtinaSmith2017 Laura felt herself lifted lazily from the arms of sleep, her body relaxed and floating on a small cloud of pleasure, her mind filled with images, sensations, not pulled from whatever dream she had just been having but instead, memories, memories from the night before. Memories of... Read full Story
Gwapo67 2022-05-16 4,790 Bareback Creampie Shemale Fucks Guy Big Cock Mature
100%
How could I forget my first time .......
"Ok, ok, ok stop. No more. It hurts a bit" I said. "Just relax your ass baby. Push out like you have to go poo", my date said. How did I end up like this? A straight A college student, a devout Christian with a nice gf like me ends up in bed with this sexy woman ...... Ok wait, I thought she wa... Read full Story
Curious_billy 2023-10-29 9,104 anal Amateur Cumshot Bareback Creampie Shemale Fucks Guy Blowjob Big Cock domination Homemade cum in mouth teen (18+)
100%
Being taught a lesson .......... I think!
How did I end up on my back in my own bed, legs straight up with my ankles over her shoulders, ready to have my ass fucked from a lost bet? A bet that Alma clearly cheated at as we discover. I was off to Thailand for a 16 week course in Thai massage at a school recommended highly by a friend I ha... Read full Story
Curious_billy 2023-11-12 8,517 anal Amateur Group Sex Bareback Creampie Shemale Fucks Guy threesome Big Cock domination Homemade Vintage cum in mouth
75%
Rebound
My story is nothing new, like most girls who used to be boys I knew from an early age that I was different to all my school friends. My dad was a thug of a man, who enjoyed the physical battle of the rugby pitch as much as the post match booze up, but I took after the mother who died giving birth to... Read full Story
shemale lover 2011-11-25 6,344 anal Creampie oral
100%
Lady In The House Ch. 05
A story by MicheleNylons (Crossdressed prisoner is forced into prostitution.) From Part IV Then Eddie looked down at my body and noticed the semen pooled at the front of my panties. My semen! He looked down at his tight belly and saw a slimy stain that was the result of my ejaculate spread th... Read full Story
✘Transensual✘ 2019-02-25 4,651 Crossdresser domination PRISON prison sex
45%
Threesome with random muslim men from Dubai -
As you all know, most of the meetings with my clients happen in good 3-star or 4-star hotels. Clients normally visit my hotel room and have fun. This exciting session happened during my stay in a 3-star hotel room in Bangalore on March 1st and 2nd. I had bookings for both the days and was prepare... Read full Story
Manusha Tranny 2021-10-14 9,172 Crossdresser Cumshot Outdoor threesome Blowjob Big Cock Asian Ladyboy gangbang domination Guy Fucks Shemale Ass to Mouth cum in mouth