look up any word, like lemonparty:
 
1.
Short for titty fucking, used by me because I think titty fucking sounds too harsh to describe something that involves something as wonderful as breasts.
mmmmm.. you wanna tiff?
by elena April 07, 2005
 
2.
The act of lying to everyone, and anyone, especially your friends. Also includes over exaggerating, and being an ass hole.
Tiffer: Yo we had 100 cases of Miller High Life last night!
Victim: Dude, are you tiffing me right now?
Tiffer: No man!
by NT2795 April 26, 2011
 
3.
Masturbating while watching Breakfast at Tiffany's.
"Hey man, what's up?"
"Not much, just tiffing"
by mavadotar August 07, 2009
 
4.
to chill or to hang out
Amy: What's up kid?
John: Nothing, wacthing the telly, totally tiffing it dude.
by egypt March 21, 2007