Sort by
Relevancy

Free Stories

100%
sex-agenarian's onanic lust
An onanic lust of a sex-agenarian that I am; I'M IN BIG HEAT; it's the season of bodily reunions in nature... I'm like an elephant(e) waiting to be satisfied. My cloaca is starting to titillate at the mere sight (look hah!) of a guy's swollen crotch on the street... I activated all my sensors to sa... Read full Story
hippocampus_171 2024-03-09 4,513 anal solo Amateur Masturbation Creampie Sex Toys Mature small cock
91%
Masturbation fantasies: Amanda, queen of the peep show
A guy visits a peep show with unexpected results. As he gets to watch a girl with something special, he discovers his hidden desires. This story contains: peep show – voyeur – gloryhole - fake tits – group masturbation – male masturbation – shemale – frottage - titfucking When William finall... Read full Story
ThatEroticWriter 2019-07-24 8,690 Big Tits Cumshot Masturbation Uniform Frottage
95%
Best session with a T Girl
I like T-Girls. Recently had a chance to go to Costa Rica for work. While I was there I decided to see what Costa Rica had to offer in this department. There is quite a good amount of girls to select from. I started texting this Tgirl and we set a time. I got ready and headed over. It was a Hotel th... Read full Story
horny.hiker 2019-04-30 14,999 Stockings Masturbation Creampie Shemale Fucks Guy Lingerie rimming Ass to Mouth escort ts no lube anal fuck just saliva
100%
TO BE OR NOT TO BE – FINAL ACT
TO BE OR NOT TO BE – FINAL ACT by Spanky de Bautumn Part 7. Sunny spent the night with Antonio and the next day they went to Mel and Shari’s for some fun. Antonio had school, so he was up and out early on Tuesday. Mel was in the shower and I was laying in bed, my mind wandering and not real... Read full Story
SpankydeBautumn 2021-03-02 2,801 Small Tits Crossdresser Cumshot Bareback Creampie Blowjob Big Cock Lingerie Guy Fucks Shemale cum in mouth
85%
Becoming a Shemale's Bitch
I just got into town and spent the whole day moving in and cleaning my new apartment. I didn't have much furniture but the place needed a lot of cleaning. I saw their was a bar a few blocks away from my apartment and decided to go out for something to eat. It was around five o'clock when I walk... Read full Story
metamafia 2012-12-21 119,500 hardcore Cumshot sucking bdsm domination
100%
The Big Tiddy Goth Girl
Hannah and I went to the pool in my apartment complex. This was my first time dressed as female in public and I was loving my new, feminine tan lines. To keep a long story short, while tanning we were perv'd on and approached by a guy calling himself Mark. He was desperate for our attention and fumb... Read full Story
KaceyKlarissa 2024-02-23 5,173 Crossdresser Big Tits Cumshot Masturbation threesome Big Cock Shemale and Girl small cock big ass sissy femboy cum on tits goth
83%
MY FIRST TIME WITH A SHEMALE - 2
DEAR READERS I DON’T KNOW IF YOU LIKED MY FIRST STORY AS THERE WERE NO COMMENTS ........ !!! After we finished our late dinner in the very cosy position she whispered “wanna have some wine honey?” I replied “I’d love to”. She got up leaving me sitting on her bed and poured two large glass-full of... Read full Story
Lisawantsu7 2014-09-02 6,793 hardcore Creampie Big Cock ass fucking Shemale and Girl
45%
Shemale Prostate Orgasmic Bliss!!!!
if she wanted breasts." "Oh no. That's the amazing part. The more I dressed him the more feminine he became. By now I'd moved him her and her clothes into the other bedroom. She wasn't happy with that but we came to an agreement; I'd milk her once a week and she... Read full Story
ProstateMilker 2015-05-01 14,078 Masturbation cum orgasm cumshots prostate
100%
The Big Mature Shemale Next Door
The Big Mature Shemale Next Door SugarandSalt "Please can I just wear my old swimming trunks?" Warren begged. "No!" his mom yelled back from the other room. "Barbara purchased that for you. It was expensive so you better remember to thank her." Warren looked at himself in the full length mir... Read full Story
Gwapo67 2022-05-03 8,369 Bareback Creampie Shemale Fucks Guy Blowjob Big Cock Mature cum in mouth
87%
Melissa
I'm a Japanese in my early forties living in Japan and I met Melissa online about a year and a half ago when looking for someone to chat. She is a black, 6 feet 2 inches tall, around 160 pounds and therefore a slim and beautiful transgender girl in her mid twenties. From Brazil, she is very friendl... Read full Story
cttyy 2020-02-24 15,694 Shemale Fucks Guy threesome Big Cock domination cum in mouth double anal
100%
The Seductive Seed of a Tranny MILF
The Seductive Seed of a Tranny MILF SugarandSalt Jackson got home and immediately curled up in bed. He didn't want to move for the rest of the weekend. He'd finally worked up the courage to ask a co-worker out at work. She politely rejected the invitation. Then later on in the day, Jackson spo... Read full Story
Gwapo67 2022-05-03 8,116 Bareback Creampie Shemale Fucks Guy Blowjob Big Cock Mature cum in mouth
50%
Spy Girl
Vicki stood in the dark doorway as she watched her mark, Ivan Patrinkov, approach up the empty street. There was no way he would be able to see her where she stood in the shadows. She wore a skin tight leather jumpsuit with black low-heel boots. She would have preferred to have on a pair of stiletto... Read full Story
shemale lover 2011-11-09 4,909 anal sex shemale Frottage
100%
Castro - shemale goddes
Nobody would have believed the scene was true, her slender, smooth and tanned legs crossed in such a deliberately provocative way as to reveal a glimpse of crisp white panties. Her tightly fitting, classically styled little black dress cut to ensure firm large breasts were displayed to maximum effec... Read full Story
Law12 2018-03-04 5,247 Masturbation Bareback Creampie Ass to Mouth cum in mouth Supernatural
73%
Shemale Masturbation Tube Just For Me
I was just coming back from the gym - damn, lights on the parking lot were flickering again - when I heard this noise. I ran and saw a shady looking guy pointing a knife at a woman trying to unlock her car. "Hey", I yelled, "I'm calling the cops and a dozen big dudes are going to be h... Read full Story
shemale lover 2016-02-24 5,979 sucking cum nipples
50%
Devastating and dominating
Tracy drove the black SUV with her friend Miss K in the passenger side, both of them struggling not to be bored to sleep with the monotonous countryside I-64, the scenery broken up only by the occasional road sign or truck stop. The Madonna CD thumping in the stereo helped matters though, the t... Read full Story
shemale lover 2012-01-29 5,297 Masturbation sucking Creampie Latex fucking
0%
Mike and Chris Together
Mike's sex life had taken a definite series of turns for the worse. When he called one of his favorite partners, Stella, she apologized for not returning his earlier calls, and told him she had been very busy lately. "I'm really sorry, Mike. I've had some great times with you, and I will alw... Read full Story
shemale lover 2012-02-07 5,370 anal sex Creampie Shemale Fucks Guy Guy Fucks Shemale
85%
My Awkward Phase
My Awkward Phase ©Alexandra Rios 2019 The greatest lie is that what happens in high school doesn't matter, because life begins in college. I pretended to agree, although I never believed it, for I was the world's greatest liar. Wannabees I was hanging out with my friends Quinn, Barb and Anne ... Read full Story
the greatest liar 2019-06-14 12,179 Small Tits anal sex Latina Masturbation Bareback Creampie Blowjob Big Cock transformation gangbang Shemale and Girl Guy Fucks Shemale Sex Toys Ass to Mouth cosplay hormones high school real life situations
100%
TO BE OR NOT TO BE – PART 6
TO BE OR NOT TO BE – PART 6 by Spanky de Bautumn Part 5. Sunny and Antonio got frisky at the bar, Sunny moved in with Mel and Shari, and opening night was a success The only other dress that I brought was one that I hoped I would get a chance to wear but didn't think I would. It was a black ... Read full Story
SpankydeBautumn 2021-02-26 2,673 Crossdresser Cumshot Masturbation Bareback Creampie Blowjob Big Cock Lingerie Guy Fucks Shemale cum in mouth
75%
Intro to a Dream Made Real
Jim had known growing up that he enjoyed bi-sexuality. But he had never found a man attractive the way women were to him. For example, he never found himself wanting to kiss a man, but he liked holding a hard cock as much as he enjoyed touching a wet pussy. He really enjoyed sucking a dick as much a... Read full Story
shemale lover 2013-01-22 5,912 hardcore sucking domination bondage foot fetish
33%
Being Barbi's Bitch
After ten wasted years of foolishly trusting in love to 'cure' me of my femininity, I had only just begun to re-embrace the sissy inside me when something made me reach out to an old friend. What made me do it, I really don't know. Although I was once again revelling in even the smallest aspects of ... Read full Story
shemale lover 2011-10-01 9,167 Stockings sucking domination
83%
My Life as a Shemale Part9
It is now almost a year later and I am a year older, my hormone treatment has been going on for some time. The short version of the past few months seems some of the most poignant in my life but not conducive to this readership. My skin was getting softer, my body hair lighter and most important to ... Read full Story
shemale lover 2015-02-27 3,764 tranny Cumshot Masturbation anus
50%
I and the old man's story 后面中文
I am from Chongqing, a boy who loves his father. When I was young, my neighbor aunt always said I looked like my sister, like a beautiful girl. At that time, my family was relatively poor. My Sister, my parents, and my family of four lived in public rental housing of less than 30 square meters. Star... Read full Story
Oldslut Sissy 2024-04-15 9,410 Crossdresser Amateur Masturbation Asian Ladyboy Guy Fucks Shemale Mature small cock Homemade sissy chinese teen (18+)
100%
Masturbation fantasies 2: Looking for Amanda
Previously: William, a young lawyer who has no luck with women, decide he needs some relief from a live girl. Scared of going with a prostitute, he decides to try out a peep show first. Without knowing that the stripper he chose is kind of special, he ends up in a show with a shemale called Amanda w... Read full Story
ThatEroticWriter 2019-07-24 9,097 Big Tits Cumshot Masturbation threesome Frottage
80%
Transsexual Savage
John had walked for eleven days. He was headed towards Fort Winston at the Hiat River, and he still had about three days ahead of him. The Hiat River was the natural border that separated the civilized world, where he came from, and the savage and brutal wilderness, where the natives lived and pract... Read full Story
Anal Orgasm 2020-07-10 6,487 Big Tits Outdoor Masturbation Bareback Creampie Shemale Fucks Guy Blowjob Guy Fucks Shemale
100%
Meeting Amanda Ch. 2 - The Next Day
After a hot evening together, the story continues https://www.ashemaletube.com/story/meeting-amanda-6595/ ------------------------------------------------------------------------------------------------------------- “I could really use a shower,” Amanda said while she... Read full Story
rforasht 2022-09-07 4,513 Masturbation Shemale and Girl redhead Guy Fucks Shemale cum eating anal creampie couple & shemale
100%
Sweet Encore
I was alone tonight and feeling just a bit paranoid as I listened to the soft music. The soothing sounds put me in a seductive mood, but It seemed that all my lovers were too busy for me, or they had other plans. Uncle Barney and my detective were probably home being dutiful husbands. Bo was under h... Read full Story
Regina10 2024-05-09 3,556 Crossdresser Big Tits Bareback Creampie Blowjob blonde Big Cock Guy Fucks Shemale big ass Ass to Mouth
100%
My Gloryhole Daddy
I had been working the gloryhole at the strip club for almost a month. Mostly it was jerking off pathetic dicks with a fleshlight while fake moaning and scrolling my phone. But every now and then I'd get a text from my favorite john saying he'd be stopping by. His cock was so beautiful! A solid 8 in... Read full Story
KaceyKlarissa 2024-09-11 2,003 anal Crossdresser Bareback Creampie Blowjob blonde Big Cock domination Guy Fucks Shemale sissy femboy Ass to Mouth
92%
My Life as a Shemale Part10
Suzi and I started spending more time together as the weeks past by. I think she might have fallen in love with me but I knew little of these things. My focus was on my studies, I found that I excelled in school and it pleased me to do good. She had heard about me possibly liking sexual arousal thro... Read full Story
shemale lover 2015-02-27 3,332 tranny Creampie cum ass fucking spanking whipping
82%
Dick And Ass
I don't have this kind of sex often, I feel like it's wrong to want this, wrong to crave this so badly. I am by no means a sissy or a gay man. I have a wife a family.... I just need it the domination the surrender of all my will and being, the first thrust that hurts so fucking bad when it... Read full Story
JustaSwitch1 2016-06-15 11,772 Shemale Fucks Guy oral domination bbw
96%
Making A Man Out Of Tommy
I have two good friends, Brad and Matt who are actually my fuck buddies. Both of them travel for work, so they tend to be gone a couple of months at a time. I have a key to their apartment, so I can let myself in for sex when they are home and to bring in the mail when they are not. I also get to us... Read full Story
pennypenny 2018-08-31 10,127 Teen (18+) Crossdresser Amateur Masturbation Bareback Creampie Blowjob Big Cock redhead Guy Fucks Shemale Ass to Mouth 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 34,465 Teen (18+) Crossdresser Cumshot Masturbation Bareback Shemale Fucks Guy Fetish Blowjob Big Cock Ladyboy Lingerie domination Homemade Compilation cum in mouth shemale + shemale
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 14,286 Teen (18+) Crossdresser Amateur Cumshot Masturbation Blowjob Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Homemade Compilation Vintage cum in mouth
100%
The Next Level
Nitromethane It's been a couple of weeks now since I sucked my last shemale cock and swallowed her load, and with enough distractions, it hasn't been too difficult keeping myself preoccupied and my mind off of satiating my new fixation. Still though, I do have my moments when I sit back and imagi... Read full Story
Gwapo67 2022-02-01 6,162 Bareback Creampie Shemale Fucks Guy Blowjob Big Cock gangbang domination cum in mouth
100%
My story
Please don't hurt me, I whimpered softly. Oh no my Lil slut, mommy has no intention of hurting you but making your fantasy become real, she said. But your thing, its kinda big. I'm a bit scared, I said. Mmmmmm, don't worry baby. Mommy wants this to be so good that you become my steady, she said... Read full Story
Curious_billy 2024-02-03 6,709 anal Amateur Big Tits Bareback Creampie Shemale Fucks Guy Blowjob Big Cock domination Mature Homemade 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 6,200 Crossdresser Bareback Creampie Fetish Blowjob Big Cock redhead domination Guy Fucks Shemale pov Ass to Mouth cum in mouth
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 8,684 anal Amateur Group Sex Bareback Creampie Shemale Fucks Guy threesome Big Cock domination Homemade Vintage cum in mouth
75%
Aunt trip
In 2013, after almost three years of service in Afghanistan, George Madsen, a gay Royal Navy communications petty officer, retired. His experience in the distant deserts had left an indelible mark, the memories of friends lost and challenges faced still burned vividly in his mind. Coming home was n... Read full Story
Rebba 2024-04-25 3,651 Shemale Fucks Guy Blowjob Big Cock Ladyboy Guy Fucks Shemale shemale fucks shemale Fantasy Tale
100%
She Loves Dirty Talk Too
Sexy TS Girl: Hiii! How are you? Thanks for being my new friend. I have so much love forssz you, my friend. Don't hesitate to like and comment one or two photos of me that you like. We can also chat... Love, love, love you, sexy man. HardRock: I really enjoyed looking at your galleries.... Read full Story
Hardrock51Fifty 2024-05-17 4,101 anal Amateur Cumshot Creampie Shemale Fucks Guy Blowjob Big Cock domination Guy Fucks Shemale Ass to Mouth cum in mouth dirty talk
100%
Fender Bender Chapter 7
The main Characters are as followed: My name is Robert, but when I am dressed I call myself Vicki. I am 5'9" 160 pounds, blonde hair and blue eyes. I turned 18 a few months ago. Gary is almost 6', 185 pounds. He has short blonde hair and dark blue eyes. He has a nice tasty 7 1/2 inch cock... Read full Story
shemale lover 2012-07-27 3,292 Creampie ass fucking domination oral sex sissy
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 6,330 Teen (18+) Crossdresser Group Sex Big Tits Bareback Creampie Big Cock gangbang domination Guy Fucks Shemale Interracial double anal webcams
50%
KING OF TRANNY CHASERS ENTRY 1
IT WAS AROUND 1AM AND MY GIRL FRIEND GINA AND I ARE GOING AT IT.HER NAKED BODY WAS HANGING OFF THE BED IN DOGGY.HER BIG CARAMEL ASS CHEEKS JIGGLED AS A POUNDED FROM BEHIND. SHE WAS SCREAMING "YES BABY" AND MOANING NON STOP..AS BEAUTIFUL AS SHE LOOKED AND HOW AMAZING HER BACK SHOTS WERE LOOKING..W... Read full Story
Ghostface drillah 2024-07-02 2,836 Amateur Big Tits Masturbation Big Cock Ebony Guy Fucks Shemale big ass Homemade Ass to Mouth cum in mouth
80%
Buffy the Shemale Vampire Slayer Part 13
Buffy's cock slipped out of Baubo's mouth, and she licked the smooth skin of the stiff, elongated shaft with her tongue. Baubo had no hands, but, even so, she was a superb cock sucker. More than once, she brought the Slayer to the brink of orgasm, then backed off, letting Buffy's sexual passion abat... Read full Story
shemale lover 2011-08-23 3,921 Masturbation pussy shemale
100%
First Time With Shemale
For as long as I can remember, I've preferred my chicks with dicks. There's something about a sexy babe with perfect makeup and hair and a cock that just turns me on. Maybe that makes me a pervert - I don't care! I remember I was just out of high school, 18, the first time I made it with a tranny. S... Read full Story
shemale lover 2011-08-26 4,023 anal Creampie shemale
100%
Witch Chronicles
I have been asked to write down my perception of the events of the war. After what's just happened, I thought it best to wait and rest before writing things out, but the big wigs want me to get it all down while it's still fresh, so don't expect this to be an extremely military report. I... Read full Story
shemale lover 2012-01-01 6,037 Masturbation orgasm fantasy tg
100%
A New Me...
Flash back 10 years when I had just turned 18 years old and had just been accepted into the University of Vermont. I was ecstatic because this was my reach school (I wasn't all that smart book wise) and it was the school that my sister Elizabeth (20, a junior) was already attending. My sister and... Read full Story
shemale lover 2012-04-14 5,467 Masturbation Fetish crossdressing
100%
Shemale Mistress
Tony turns 21 and decides to go party with his friends. Tony, with Bob and Chuck, (his college roommates) want to try out a bar on the other side of town - a new bar called "Desires" that they had heard a lot about, but never visited. The bar was known for wild and crazy parties. They also... Read full Story
shemale lover 2012-05-02 5,104 Cumshot domination cum swallowing facefucking huge dick
100%
I FIND MY ROAD IN SYGKROY
My name is Anastasia, although the real name is Nick. As you can see I'm a decent boy day, a normal relationship with girl (not so normal, but that another story!), Sociableness and not effeminate at work and generally to the outside world. But when you go home and my girl is missing, I beco... Read full Story
ANASTASIS CD CRETA 2014-12-03 4,081 first time Creampie Blowjob ass fucking 69 cd
100%
TO BE OR NOT TO BE – PART 6
TO BE OR NOT TO BE – PART 6 by Spanky de Bautumn Part 5. Sunny and Antonio got frisky at the bar, Sunny moved in with Mel and Shari, and opening night was a success The only other dress that I brought was one that I hoped I would get a chance to wear but didn't think I would. It was a black ... Read full Story
SpankydeBautumn 2021-02-26 2,740 Stockings Small Tits Crossdresser Cumshot Creampie Blowjob Big Cock Lingerie Guy Fucks Shemale cum in mouth
100%
Alessia Travestita Hung Mature Blonde British Porn Star
Alessia Travestita Hung Mature Blonde British Porn Star If you like Transexuals, big cocks, bondage, domination, deep throat, fisting, spit roast, 69, ass fucking, cum swallowing and big loads this story is for you. If not don’t bother reading. If you like my story please leave comments and ... Read full Story
darrell 2022-01-03 5,161 Group Sex Cumshot Bareback Shemale Fucks Guy Blowjob Big Cock gangbang domination Sex Toys Mature cum in mouth shemale + shemale
91%
Lake Surprise
After finals of my first year in college in a northern university, I was ready for some real relaxation back home in the warm south. During finals I had started thinking how nice it would be to borrow my brothers boat and hit the lake for a week. I talked my roommate into making the trip home ... Read full Story
shemale lover 2011-12-08 10,889 anal Group Sex Creampie
94%
My first shemale
This is the story of my first she male. I had always been curious about dicks. I had always been attracted to women and I loved to watch a woman get pounded by a big cock. But after awhile I realized that when I tried to imagine the porno, I always imagined myself in place of the girl. One day, when... Read full Story
shemale lover 2012-02-12 13,564 first time Creampie Shemale Fucks Guy
100%
The Triple X cocktail - Wife Shares Shemale With H
"Where are you?" Tara asked in a high pitched voice as if she was either excited or freaked out. "I'm at the boutique" I replied. "Ok I am coming by, something very important. I am so freaked out now and I will tell you all about it when I meet you. Will be there in half an ... Read full Story
shemale lover 2012-02-21 3,918 Group Sex Creampie face fucking tit licking
50%
A Married Marilyn
"Class is dismissed. Don't forget the project due…" "Huh, what?" Marilyn woke up disoriented from her nap. When she finally came to, she vaguely remembered some project for Intro to Computer Science, gathered her legs from the chairs in front of her, dusted off her b... Read full Story
shemale lover 2012-03-18 7,385 Group Sex Masturbation sucking Sex Toys
100%
Beefy Buns
It's hard to get good help. Probably, that's true in any business, but it's especially difficult to find decent employees in the fast food racket. Believe me; I've tried. I manage the local Beefy Buns franchise--burgers, fries, and shakes is our mainstay, but the menu also features fish and chick... Read full Story
shemale lover 2012-04-22 6,333 anal sex Creampie blonde shemale
69%
Pune crossdresser Night Girl
Hi friends, I hope you liked my earlier stories. This is my new story about a lady boy / crossdresser / sissy boy. Around 2 years back I came across a profile on Planet Romeo with name Nightgirl. I sent her message that i found her sexy and attracted to her and wanna meet her. I am alway... Read full Story
Stud4Shemale 2017-05-22 7,708 Crossdresser Asian Ladyboy Lingerie domination Guy Fucks Shemale cum in mouth
91%
The New Housemate's Secret
https://chyoa.com/chapter/Introduction.150836 The New Housemate's Secret How will you discover the hot new tenant's secret? Chapter 1 by Bauer1 The doorbell rings, a soft knocking accompanies the bell to break the silence of the house. You look up from your laptop nestled snuggly in your la... Read full Story
Acche 2019-04-04 22,251 Big Tits Cumshot Creampie Shemale Fucks Guy Blowjob Big Cock Guy Fucks Shemale handjob titfuck titjob cum in mouth