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v. To strike or punch; n. A blow or punch.
This fist is going o biff you!
by Exploding Boy February 09, 2003

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<n>.A nickname that is given to a big dumb idiot that walks like an ape.
"Com on Biff don't be such a fucking dumb ass"
"Geoffrey is a perfect Biff he always doing stupid shit"
by lukeRad August 27, 2007

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To lob, throw or transport an object to a location.
Gat - "Biff the grenade over there for a primo frag!"
by GatQuotes December 28, 2011

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Someone who makes many mistakes or whom is socially inferior.
"Danny why did you lick that women? You're such a biff!"
by DARK LORD BIFF March 31, 2014

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Bitch I Fuck Frequently
yo mama is my B.I.F.F.
by PimpDaddy LongNutz December 22, 2010

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To fuck something up
"Jack knocked over my drink and biffed"

or just simply say "you biffed"
by Tkrizz December 11, 2007

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1. (noun) A man that is allergic to shoes, and thus requires allergy shots. Also, Biff's are notorious for low-nil-card-sliding and the accompanying facial expression of contempt for their competitors.
2. (verb) When going nil in Spades, the act of sliding a low card under all other cards of a trick, while simultaneously delivering a countenance of haughty contempt.
Damn, Biff's about to make nil with his shoes on and everything. Did you see when he Biffed that last trick?
by XPizzle June 19, 2008

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A toilet, more notably a portable one.
Hey guys, want to push over that biff?
by Shad0wbane March 12, 2006

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