ysf

Abbreviation for 'You Sick Fuck'.

I can't believe you dipped your balls in the pizza dough, ysf.

ysf by Duane April 24, 2005

YSF

You Stupid F***.

Michael, YSF, you miss the whole point.

YSF by Rudy1957 January 29, 2009

Ysf

You so fake

Dayum ysf

Dayum you so fake

Ysf by AlizzDaRealistt September 6, 2022

YSF

You so fine...

Hey Boo YSF wanna make you mine

YSF by Marniemoo June 2, 2018

YSF

short for "You're So Funny"

lol that was a good joke! YSF!

YSF by MAN (My anonymous name) March 5, 2011

ysf audio 

this is the man that you listen to after you've had a long day of dealing with peoples bs. now your standards are very unrealistic because you want to fall in love with your roommate, best friend or your obsessed yandere boyfriend. his audios never miss. he also likes eggs.

listener: "omg ysf audio just posted an audio about truth or dare with your best friend!!"

ysf audio by ysfsbiggestfanpage March 1, 2023

YSFlight 

A somewhat popular flight simulator developed in free time by Soji Yamakawa. Very fun yet some people criticize it for its graphics.

Dude that YSFlight is SO TOTALLY 1337

YSFlight by Mechanicor October 28, 2007