The nemesis of Marty in the Back To the Future film series. Marty manages to encounter several different relatives of the Tanner family throughout the three BTF movies.
Biff - "How about you make like a tree, and get out of here!"
by Lon September 01, 2005
if you sound "BFF" out, it sounds like "biff"
so instead of people saying B.F.F., they say biff.
"aww i love you biff"
by aseresssgadsr September 19, 2008
best friends; besties
Jason and Michelle are going to be biffs forever and ever and ever and ever and ever. :)
by TeKn1qu3z April 24, 2008
1. A bestie, best friend
originally derived from the common acronym BFF: best friend forever
When said out loud, is pronounced like "biff"
Taytay and Alec are always together. They're like biffs.
by michthebitch September 09, 2009
A phonetic way to reference a best friend (BFF) or boyfriend (BF).
Girl 1: How's the biff?
Girl 2: He's perf like usual
by P8triarch May 22, 2016
To slip, trip, fall, or generally mess something up. Generally resulting in embarrassment and regret.
Sam - slips in mud
Sam - Damn it! That was the worst biff ever, I'm fuckin' covered in mud!
by ChknWngz April 20, 2016
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