Abbreviation for 'You Sick Fuck'.
by Duane April 24, 2005
Get the ysf mug.short for "You're So Funny"
by MAN (My anonymous name) March 5, 2011
Get the YSF mug.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.
by ysfsbiggestfanpage March 1, 2023
Get the ysf audio mug.A somewhat popular flight simulator developed in free time by Soji Yamakawa. Very fun yet some people criticize it for its graphics.
by Mechanicor October 28, 2007
Get the YSFlight mug.

