An acronym for "Best Friends for Eternity".
BFFE but we decided to add the "i" to make it seem French! :)
Elizabeth and Kara are BiFFE!!!!!
by Elizabeth and Kara July 13, 2008
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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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Word of Irish Gaelic origin; an insult. Use this handy acronym to remember the meaning:

B ig
I ignorant
F at
F ucker
Man, Miguel Caron is such a biff. I hate him.
by The Zebu January 25, 2004
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noun:
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 10, 2009
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Let just sit here and smoke a massive biff.

Smoking that biff was a poor idea before work.
by AlexHag November 24, 2006
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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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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 1, 2005
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