8
To strike or blow.
If you don't shut the hell up, I am going to biff you in the face.
by Biffmaster August 02, 2011
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9
another term for best friends, or bffs.
by leah_9624 December 29, 2007
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10
a womans naughty area aka pussy, fanny and so on
To girl: Show us ya biff!!!

Dude i slip her one in the biff last nite
by Gibb, The one and only November 11, 2006
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11
Just another word for a nasty rip-roaring good old fashioned fart.
Dude, did you just biff in my car?!
by The Biffmaster May 14, 2012
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12
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 09, 2009
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13
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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14
That kid we met earlier, was he mentally retarted or was he just Biff?
by Joseph Poon August 22, 2003
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