n. An oafish character
Hey, look at that biff over there.

My Brother is a complete biff.
by Exploding Boy February 09, 2003
A casual term for sexual intercourse
Tim's nuts resembled coconuts, he hasn't had a biff in weeks apparently!
by Richard r January 11, 2008
A somewhat archaic term for throwing something with force.
She was going spazzcakes, so I had to biff her into the wall.
by Lauchlin November 01, 2007
The front hair poof on a girl.
Edmund: dood that girl would be hot but i'm not diggin the biff.
by Mo-phil September 12, 2007
noun: a large male aged 18-45. This male has an over-inflated ego, a small level of intelligence, and spends way too much time at the gym. Biff's enjoy wearing sleeveless shirts, flexing in casual conversation when it is not called for, loudly announcing how much cheap beer they have drank, and aggressively pursuing females with 1950's style machismo. Often employed as bouncers.
"This biff cut me in the line to the bar so that he could order his buddies a round of Natty Light."

"That bouncer who cut his sleeves off is such a biff."

"I want to talk to that girl, but this biff won't leave her alone."
by MEvans August 08, 2007
Another word for sexual intercourse.
Steven got really drunk last night and he ended up biffing Claire.
by Roddolodd May 26, 2007
someone you hate very much, they just don't know it.
the opposite of a best friend forever.
oh no here comes the biff. Why doesn't she ever wear a hair tie during races? She is such a freak i hate her so much.
by KAnne123456789 April 25, 2007
To cum into the eyeball of another.
Sorry babe, but I thought it would be funny to biff and knock out your eye : /
by Vicz0t teh pwnz0r September 07, 2006
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