ycsomf 

Acronym for 'You can sit on my face'. A sexual term usually used to tell the other person that they want to give (usually a female ) head or “ eat their pussy ”. Sometimes it's modified to 'SOMF' or 'SOMFF' for people who prefer profanity or want to give it more of a push.

Him: look who finally decided to reply

Her: What I been txted you ?

Him: yea took 32 minutes

Her: I’m sorry how can I make it up to you?

Him: ycsomf 😊😊😊
Her: ON MY WAY

ycsomf by Heavenslittleangel January 21, 2018

ycsmmfd 

You Cunt, Suck My MotherFucking Dick

- Fuck you gay fuck!
- YCSMMFD

ycsmmfd by Phoenixx April 18, 2005

Ysomfr 

It is an acronym. You Set Off My Funny Receptors. Similar to "lol" or "rofl."

Bob: Two potatoes are in an oven, one says hey, the other says "holy crap it's a talking potato"
Jill: Hahaha. Ysomfr.

Ysomfr by The Uberness December 15, 2008

Ywsomf 

You wanna sit on my face

Hey ywsomf?
No, last time you complained about smelling poop for a week

Ywsomf by Dumplestilskin May 14, 2021