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
To throw something or someone erratically usually out of anger or rage
Just biff that dinner plate in the sink
by HMKZ March 27, 2015
A person who has the ability of a person with Spina Bifida.
'Jesus H Christ, look at that fucktard over there licking a window'
'Yep, serious biff material.'
by 24934637 March 09, 2015
Describing the relationship between two soul-mates
Tim and Ashely are biffs forever!
by Shakazooloo March 03, 2015

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