This is an uncommon acronym used to say "shoot yourself in the face". It is a more specific form of kys.
Guy 1: Did you see Deathly Hallows yet?
Guy 2: Hell no! Harry Potter is so gay.
Guy 1: Dude?
Guy 2: Yeah?
Guy 1: Syitf.
by (|-||_|(|< |\|0|2|215 November 24, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.