look up any word, like cunt:
 
1.
Thats So Fucking Funny, used when something is funny like lol or lmfao
Elmo: shall i ask and see if that girl will show me her piercings?
Luke: yea lol
Elmo: ok
Elmo: lol she said "ok.. Blocked!"
Luke TSFF
Elmo: SHABAM!
by Elmas October 09, 2005
 
2.
Tough Shit Fuck Face
"My girlfriend slept with another guy" : TSFF
by slumbercat2k September 17, 2010