Sort by
Relevancy

Free Stories

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 4,895 Group Sex Cumshot Bareback Shemale Fucks Guy Blowjob Big Cock gangbang domination Sex Toys Mature cum in mouth shemale + shemale
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 8,146 Bareback Creampie Shemale Fucks Guy Blowjob Big Cock Mature cum in mouth
100%
Hung Shemale has Motorcycle Trouble near Vegas
I drive down a deserted two- lane highway outside of Las Vegas, Nevada. It is August and the temperature is well over 100 degrees. In the distance, I see a tall beautiful mature creature that walks alongside the road. As I pull over, I am stunned by her powerful physique. She sports an incredibly ti... Read full Story
darrell 2024-02-02 5,632 Shemale Fucks Guy Blowjob blonde Big Cock Mature deepthroat cum in mouth toe sucking Fisting Anal
84%
Fucked by a Shemale
My names - and I would like to tell you about a very sexual experience I had recently. First I would like to tell you I’m 30 years old and never had a gay experience, until now. It was a Saturday night, me and my brother were round the local town, after a few too many beers my brother met a bi... Read full Story
shemale lover 2011-08-18 169,677 first time shemale cum
100%
I Give Up
The following story is the first of four parts of a tale that explores the theme of transformation. It is thematically similar others that I have submitted but has a larger narrative arc. I hope you enjoy reading the first portion, Act One & Two. I continue to work on better editing and someone h... Read full Story
ASSEaster5678 2018-09-14 9,234 Cumshot Bareback Shemale Fucks Guy Big Cock Ladyboy
100%
The game show,
One day i was looking through a number of competitions and trying to find a way to make some easy quick money. A number of applications were sent, mostly for junk i didn't need or for competitions I knew I had no chance of winning. For example, the types you get $30,000 for answering the easiest que... Read full Story
chris1989r 2022-01-24 4,861 Bareback Shemale Fucks Guy Ebony gangbang Guy Fucks Shemale shemale + shemale
92%
My Dream pt 3
Our first invitation arrived at the end of September. Sydney spotted it first and tossed it into the trash with out looking at it. She didn't tell me what it was and I didn't bother asking. The next invitation arrived two weeks later. This one Sydney opened and after reading it she passed ... Read full Story
Sydney Sun Min 2018-01-04 16,631 Group Sex Shemale Fucks Guy Shemale and Girl Sex Toys
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 34,161 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 14,117 Teen (18+) Crossdresser Amateur Cumshot Masturbation Blowjob Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Homemade Compilation Vintage cum in mouth
100%
Fuck Friends Forever
"Flip over..." Those two words come as a surprise, filling my mind with expectations. I find it interesting that Brian wants to switch from doggie style to a more traditional sex position, a romantic one at that. Hopefully, he won't be turned off if he sees my cock while we're having sex. I hope... Read full Story
ASSEaster5678 2019-01-09 8,918 Bareback Shemale Fucks Guy Big Cock Guy Fucks Shemale
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 3,441 Shemale Fucks Guy Blowjob Big Cock Ladyboy Guy Fucks Shemale shemale fucks shemale Fantasy Tale
75%
A Couple And A Shemale Encounter
Not long ago I was sitting home alone on a Friday night with nothing much to do and feeling horny so I decided to go out. I showered, misted myself with my favorite perfume, put on a sexy black bra, rolled on a silky new pair of jet black sheer to waist pantyhose, slipped into a tight, very short, l... Read full Story
shemale lover 2011-08-26 5,303 anal Creampie shemale
100%
Shawshan part2
The summer weather has finally let up and cool evenings where you need a sweater are among my favorite times of the year. Charlene left now from prison and served her time for drug possession. We had become close friends as well as cellmates over the last few months. She no longer cuts her hair as ... Read full Story
Jon Paul 2021-05-20 3,370 Latina Masturbation Bareback Shemale Fucks Guy threesome Guy Fucks Shemale shemale + shemale
50%
Liberty meeting, chapter1
On a beautiful summer day, my phone rings. It's Steve, the boss of a transvestite company who calls me. - Hello Sandra, I have four new friends waiting for you at the club. - Thanks for thinking of me, I'll be right there, I said, hanging up. I am happy with his call because I always meet ... Read full Story
sandratvtg 2024-06-20 2,467 Stockings Shemale Fucks Guy Fetish Lingerie shemale + shemale
87%
Chicago TG Romance (part 2)
As you must read part one of this story, one of the most interesting and attractive T-girls I have met is sleeping beside me in my motel room after a wonderful evening of being together. Beth awakened around 4am and got up to go to the bathroom. She was brushing her teeth and heard me stirring, I di... Read full Story
Jon Paul 2018-06-04 6,070 Amateur Shemale Fucks Guy Blowjob Asian Ladyboy Ass to Mouth cum in mouth
100%
Big Dick Alessia Visits Dallas
Alessia Hung Mature MILF travels to visit a Big Dicked Man and his Sexy Household If you like Transexuals, big cocks, bondage, BBWs, big clits, deep throat, fisting, 69, ass fucking, sounding, piercing, cum swallowing and big loads this story is for you. If not don't bother reading. If you fav... Read full Story
darrell 2022-04-20 4,510 Group Sex Cumshot Shemale Fucks Guy Blowjob blonde Big Cock Asian Shemale and Girl Sex Toys Mature Ass to Mouth shemale + shemale
83%
Did I Do Right By Taking Money For Sex?
I first properly dressed when 14. (I did do the knickers and stockings and pantyhose thing previously from when I was 11). I first had sexual contact with a friend when we were both 14, i.e. wanked each other then I sucked him off and drank all his cum. I then waited until I was 16 for sex with... Read full Story
Linda Tiffany Vista 2024-05-07 3,083 anal Blowjob blonde Lingerie shemale fucks shemale cum in mouth teen (18+)
100%
Bimini (part2)
Emily was introduced to me by my friend Jan at a night club. ‘Em’ is a 19 y/o t-girl and absolutely adorable figure and very sexy legs. Well after leaving me at the club with Emily, I had invited her to fly to Bimini the next day for a long weekend . If you read part 1 you will know. Waking up... Read full Story
Jon Paul 2021-04-19 3,640 Bareback Creampie Shemale Fucks Guy Blowjob blonde Lingerie Guy Fucks Shemale 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 5,941 Bareback Creampie Shemale Fucks Guy Blowjob Big Cock gangbang domination cum in mouth
100%
Bimbo Bombshell - Chapters 1-2-3
Bimbo Bombshell - Chapter One: Singled Out! Even though it was Friday, the bar wasn't particularly crowded that night. I never knew what hit me. This Gorgeous Blonde bombshell, starts flirting with me right a my table. I found myself wondering why this glamorous beauty, had chosen me. I was... Read full Story
Hardrock51Fifty 2024-06-23 6,101 Stockings Big Tits Shemale Fucks Guy Fetish Blowjob blonde domination Guy Fucks Shemale blonde shemale PDA Public Displays of Affection
100%
the orgiastic fever of a trans-milf
Simulating a woman, or the orgiastic fever of a trans-milf It's been two months since I moved to the megapolis, where I've discovered several places where the third gender goes. One of my first explorations was a huge lingerie shop in a MALL; I wanted to buy some sexy stuff without being noticed ... Read full Story
hippocampus_171 2024-09-04 423 anal Amateur Cumshot Creampie Shemale Fucks Guy Latex Sex Toys Mature small cock
96%
A Night of Lust
I was out at a night club with a few friends, and we were there for for a while before I noticed this sexy, rather short girl across from me at the bar looking over. I could tell, even from this distance that there was something special about her, I wasn’t sure what that was quite yet though. The mo... Read full Story
JessicaEdwards 2018-08-07 18,424 Stockings Amateur Cumshot Masturbation Bareback Creampie Shemale Fucks Guy Blowjob blonde Big Cock Lingerie deepthroating Guy Fucks Shemale cum swallowing deep throat deep penetration cum swapping pov Ass to Mouth cum in mouth anal fuck sloppy virgin ass
66%
Trannies in Space
There was no spaceport on Jansen's Planet. There had been, but whatever calamity had befallen the world generations ago had also destroyed its port. It was one of so many planets out in the Barrens that had fallen on hard times. So Dekker set down the Barnabas in a clearing in the forest, a remna... Read full Story
ASSEaster5678 2019-01-25 12,309 Shemale Fucks Guy Guy Fucks Shemale Sex Toys space robots
100%
TG Girlfriend moves in
Monday morning 6:00 am and I am just awakening, and I realize a naked body beside me has her arm around me, we are both naked. My wife Lydia is out of town to a seminar, and this adorable brunette perky tits and lovely eyebrows, beautiful lips slightly pink, sleeping beside me. Joanne and I had spen... Read full Story
Jon Paul 2022-01-18 5,300 Amateur Cumshot Latina Masturbation Bareback Creampie Shemale Fucks Guy Blowjob Ladyboy Guy Fucks Shemale cum in mouth
100%
TG Neighbor
With Christmas and New Year’s over, the weather here in Florida has become cooler, 45 degrees last night and it will be in the mid-sixties for the rest of the week. We live in a sub-division right off the waterway, very private. My neighbor usually comes down around Christmas and stays until tax ti... Read full Story
Jon Paul 2022-04-22 6,730 Big Tits Cumshot Latina Bareback Creampie Shemale Fucks Guy Blowjob Asian Ladyboy Guy Fucks Shemale
86%
Passionate Sex with a Beautiful Shemale
a man and his shemale lover get down to business Will led Sarah by the hand into his bedroom. He closed the door as they entered and pulled her towards him. He placed his hands around her, caressing her toned stomach as he slightly nibbled on her earlobe. He could feel her trembling in his arms. Sa... Read full Story
shemale lover 2014-03-23 6,710 anal Blowjob shemale orgasm fingering
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 7,396 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%
The Girl Next Door Ch. 03 by derezzed ©
Chapter 3 – The Night Out Michael woke up on Monday morning feeling quite relaxed. The sun filtered in through the blinds towards him. He felt warm from the gentle rays. As Michael became more alert, he examined his surroundings. The feeling of silk sheets wrapped around him and Alexis's arm casu... Read full Story
StevelovesTgirls 2019-06-11 18,730 Amateur Shemale Fucks Guy Fetish threesome Blowjob domination Guy Fucks Shemale Ass to Mouth shemale + shemale
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 4,904 Bareback Creampie Shemale Fucks Guy Blowjob Big Cock Mature cum in mouth
100%
by a Shemale Part 2
I was awaken early Monday morning when Felicia lightly kissed me on the cheeks and said it was time to start my hormone regimen. I looked at her and she had her left hand opened and she had a white pill and in her right hand a glass of water. I was no longer fighting or resisting especiall... Read full Story
shemale lover 2011-08-29 6,146 anal sex sucking shemale
81%
That night....
I was extremely nervous when I pulled out my phone and dialed the number. Never before, in my wildest dreams, had I thought I would act on one of my strongest fantasies. I knew I would be nervous when I first met her, but after exchanging pictures and seeing that big, fat cock of hers, I knew I ha... Read full Story
bigTHICKY 2017-05-08 9,453 Big Tits Cumshot Latina Big Cock Ladyboy cum in mouth
100%
My first time having sex with a Tranny
I have been obsessed with Trannies for as long as I can remember. There is something about a gorgeous feminine woman with a big thick cock that drives me crazy! I turns me on so much that I kept pushing myself further with my love for Trans women. I bought sexy dresses, underwear and heels to wear s... Read full Story
Joe22lovests 2021-09-15 11,986 first time Shemale Fucks Guy Blowjob Big Cock
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 2012-12-21 119,144 hardcore Cumshot sucking bdsm domination
100%
The Society
I met her during the summer. I was only nineteen and working to save some money for college. I had been raised by my grandparents who had both passed away over the past year. After the burial costs I was far from wealthy. My parents weren't around so I was on my own at a young age. I had moved a cou... Read full Story
shemale lover 2013-01-10 17,462 Crossdresser sucking Big Cock ass licking big boobs
100%
My Beautiful Surprise
Mark Holloway groaned as he sat up in bed and reached behind him to touch Madison. It was six o'clock on Saturday morning in Birmingham, Alabama. His hand met only a cool pillow and undisturbed sheets. Then he recalled with an increase in his heartbeat that she was due to arrive at the Birmingham In... Read full Story
shemale lover 2011-11-01 5,981 sucking shemale cum
81%
Ladyboy Switch Story
I am messed up with how I feel about this. I still love looking at women. I love tits and arse. I like the soft feel of women – kissing them and feeling their bodies. I don’t look at men in public and get turned on – men with clothes on do nothing for me. Put me somewhere that I can see those same m... Read full Story
shemale lover 2015-02-27 7,143 Cumshot suck Shemale Fucks Guy Ladyboy ass fucking swallowing
91%
The Girl Next Door Ch. 03
derezzed Chapter 3 – The Night Out Michael woke up on Monday morning feeling quite relaxed. The sun filtered in through the blinds towards him. He felt warm from the gentle rays. As Michael became more alert, he examined his surroundings. The feeling of silk sheets wrapped around him and Ale... Read full Story
Gwapo67 2022-05-13 6,124 Bareback Creampie Shemale Fucks Guy threesome Blowjob cum in mouth
100%
Amanda and Me Chapter 2
I rolled over after reading Amanda's note with a big smile on my face. I couldn't believe that after all the time I had spent masterbating to shemales and fantasizing about meeting one it had actually happened. Not only had it happened but it had been the most amazing sexual experience of my life. ... Read full Story
shemale lover 2012-10-21 8,788 anal Cumshot shemale oral
100%
Alessia and the Twins
Alessia and the Twins When the politician David Smallwood awoke that morning his thoughts immediately turned to Alessia, and he started to daydream about her, as he was wont to do now. He had several meetings scheduled for that day, including a rally promoting restrictions on gay and trans-gender... Read full Story
Alessia Travestita 2023-07-21 5,419 Crossdresser Blowjob Big Cock Shemale and Girl shemale fucks female
100%
Becoming a Chrissy - Chapter 2
I had always felt like I had a hot body for a girl. I was naturally blonde and smooth; I guess I had been blessed by my parents’ Scandinavian genetics. My pubes were always just a small fuzz—easy to shave and keep a clean bikini line. Same thing with my armpit hair. And my ass? Completely smooth and... Read full Story
mindlessrobot45 2024-05-13 3,935 Crossdresser gangbang Shemale and Girl cum in mouth shemale fucks female teen (18+)
100%
Jo, Shemale Goddess! Part 1
Jo plumped the cushion and carefully positioned it until it was precisely at the right angle. Nothing less than perfection would do. Ricki, her friend of twelve years was coming to stay overnight and she would notice if the tiniest thing was out of place. An impatient knock on the door signalled ... Read full Story
shemale lover 2011-09-04 5,569 anal sex sucking shemale
100%
Male or Shemale, Still a Slut
Part 1 My name is Brandon. I'm 18 (still in high school), 5'5", white with black hair, and rather feminine. I'm really slim with barely any body hair. All this has combined so that I'm not so popular with the ladies, which sucks cause I am one horny son of a bitch. Luckily, I'm rather fond ... Read full Story
shemale lover 2012-12-20 9,439 Cumshot sucking blonde ass fucking Guy Fucks Shemale
96%
The Backdoor
It was only my first time in the club and my hands were shaking beyond control. I almost didn't make it through the front door I was so nervous. I felt so out of place. Everywhere I looked, it felt like people were staring at me, judging me. It was like they knew I had no clue what I was doing. ... Read full Story
shemale lover 2013-01-03 16,719 sucking Shemale Fucks Guy Blowjob Big Cock Interracial
80%
One night Transtand ;)
One Night Transtand By BalkanMan990 Published on Lush Stories on 05 Oct 2019 I had no idea she was a trans.. I didn't stop kissing or fondling her when I found out. I went out for a drink at one of the many bars at Croatia,where my girlfriend Sabina and I were staying.Sabina and I had been drin... Read full Story
BalkanLoco91Ri 2019-10-24 9,074 Small Tits Amateur Cumshot Masturbation Creampie Shemale Fucks Guy Blowjob blonde Lingerie Guy Fucks Shemale Homemade pov cum in mouth
100%
Meeting Amanda
I’m a happily married man. My wife Tess and I have been together since we were teenagers. We were each other’s first real lovers and being in our mid-thirties by now, we still madly in love with each other. Tess and I always are very honest and open to each other. Both in normal life and sexual... Read full Story
rforasht 2022-07-20 7,605 Big Tits Cumshot Shemale Fucks Guy threesome blonde Big Cock Lingerie Shemale and Girl redhead Homemade Shemale fucks couple
100%
Exposure, Disclosure
The Greatest Liar, Exposure, Disclosure © Alexandra Rios 2019 Author’s Note: This is a continuation of the narrative which commenced with “My Awkward Phase”, which I posted here previously. Readers may wish to read that before continuing, although I have written them to stand alone. Natives s... Read full Story
the greatest liar 2019-06-18 7,779 Teen (18+) Small Tits Amateur Group Sex Latina Blowjob gangbang Guy Fucks Shemale cum in mouth
100%
Betrayed Chapter 10
I would have loved to be waiting at the gate at O'Hare when Dianna de-planed from L.A. that Sunday night. I had to settle for the Baggage Claim Area. Those people working for the Transportation Security Administration have no sense of humor. I guess at eight dollars an hour, they can't afford one. T... Read full Story
shemale lover 2012-05-30 4,785 hardcore shemale fuck
50%
Hard Decisions by Elaine © 2020
Hard Decisions by Elaine © 2020 No one in this story is based on anyone alive or dead. It is a work of fiction and should not be read by minors. I appreciate the kind efforts of many of my friends who cast a welcoming glance over the initial writings. I owe you all a big debt of thanks. Prolog... Read full Story
Elainetguk 2023-09-06 4,965 Stockings Big Tits Creampie Lingerie Guy Fucks Shemale Mature
96%
Family Frolic
FRIDAY My sister and her husband wanted to take a few weeks off in the sun and asked me to look after their kids for a while. I'd move out of my tiny apartment and into their house for the duration. As I was still living off my severance and they had a nice spread with an indoor pool and a h... Read full Story
shemale lover 2012-01-14 31,148 strapon porn
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 22,891 hardcore Cumshot sucking ass fucking Guy Fucks Shemale
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
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 12,023 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
89%
Fem Firm 2 -The Weathergirl
PART 1: A COURTESY CLIENT BLOWJOB Three weeks into my gig at Coxon & Dicster had been a blast. At first, a few of the girls had some reservations about me working there because I wasn't transgendered myself but I guess I won them over with my naturally cheerful personality. At least,... Read full Story
bennyx709 2016-11-14 18,141 big dick anal sex suck Blowjob cock sucking workplace
100%
Young Sissy Chapter 1
I don't know how long I was under...days, weeks...who knows, maybe even months. Reality blurred with nightmares as I felt my flesh being cut into by cold scalpels and stuck with needles, filling me with horribly persuasive dreams of a beautiful new body. I tried to imagine myself as a man, just to s... Read full Story
shemale lover 2013-01-04 10,310 sucking Fetish Uniform domination big boobs
81%
Tranny G's all Tranny Gang Bang
Chris had finally returned after a year overseas. During his leave he flew out to Phoenix and we would spend a few days in Las Vegas. We drove four hours and checked into the hotel. A year apart and we ripped our clothes off and fucked hard. We took a short nap and went for an early dinner. I told C... Read full Story
shemale lover 2013-03-05 7,779 hardcore Cumshot sucking ass fucking Guy Fucks Shemale
100%
TO BE OR NOT TO BE – PART 2
TO BE OR NOT TO BE – PART 2 by Spanky de Bautumn Part 1. Sunny, Mel, and Shari learn they are going to New York to perform a play off Broadway and are really excited about it. Being a small troupe, we unseen members had to wear many hats. Unfortunately, there was just the two of us, Joe Donn... Read full Story
SpankydeBautumn 2021-02-22 3,757 Small Tits Crossdresser Cumshot Bareback Blowjob Big Cock Lingerie Guy Fucks Shemale Interracial cum in mouth