SF

"Sexually Frustrated"
When you havent had sex in a very long time!

Girl:OMG!!my boyfriend has been away for like 4 months and ive been so SF its not even funny -_-

Guy: Damn bro, i havent seen my girl in 3 days im fkn SF!!!

by creatorofsf September 3, 2011

SFS

An abbreviation used to describe having skateboard/snowboard fantasy syndrome. Fantasizing about a trick you want to do but can’t

“Oh man I’m having some mad sfs at that 12 stair over there “

by YayeetV2 June 4, 2018

SFS

SFS is an abbreviation for ‘shoutout for shoutout’ mostly seen on Instagram stories. ‘Shoutout for shoutout’ means to advertise other people’s accounts and in return they’ll do the same.

Friend 1: sfs?
Friend 2: sure
Both: post each others @ on their stories

by Willyman555 July 16, 2019

SFS

Same Fuckin' Shit; A reaction to someone when two things he/she mentions are undeniably and objectively similar or identical.

John: Hey Frank, can you pass the Booze?

Frank: You mean alcohol...

John: SFS

by Albertross99 January 4, 2011

SFS

SFS is short for Somalian Forehead Syndrome. A fake syndrome describing people who suffer from disproportional sized foreheads common with people of Somalian descent. Used in conservation as an insult.

Person 1: You've got SFS.
Person 2: Fuck you!

"Hey, take a look over there, that guy is suffering from a massive case of SFS."

by Some other other guy April 16, 2008

SF

An abbreviation for School Friend. Similar to fake friend. Someone that only wants to be friends at school

Don’t worry about him, he’s only a sf anyway.

by SangerBanger March 5, 2018

SFS

1) Symbol For Sex

2) A sex symbol

Guy 1: Damn Sally is so fine she a sfs

Guy 2: A what?

Guy 1: A symbol for sex

by thenumber1word November 5, 2017