When you slide the back of your hand across your hairline or upper lip then flick out your index and middle fingers towards the person who did something stupid.
That was such a fail he deserves a shaff!
by Namor9196 December 17, 2009
3 more definitions
Shaff is a badass fat kid, who makes everyone laugh no matter the situation. Everyone loves him and he gets ALL DA LADIES! I PROMISE...
Wow! That Shaff guy is such a badass.
by Yep. November 18, 2004
n. 1. A bulbous mass of a person, synonymous for fat
That kid is so shaff he needs to start eating some reduced shaff chips.
by DarkOne January 10, 2004