To take the edge of your hand and proceed to swipe it like a credit card in the ass crack of an unsuspecting victim
He got butt-sliced so hard it lifted his feet off the ground.
by AOKist August 28, 2005
the fine use of martial arts to strategically place a knife edge hand swipe as far up someones ass as possible
I was going up the stairs and Dan Bob butt sliced me so hard I could taste my underwear.
by Palokuku July 29, 2008
An individual who fails to even fulfill the qualifications of asshole, is demoted and characterized by this term.
That guy is freakin' butt-slice.
by TOM November 17, 2004