biff 

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

biff by Gibb, The one and only November 11, 2006

Biff 

A really fuckin' stupid person.

That kid we met earlier, was he mentally retarted or was he just Biff?

Biff by Joseph Poon August 22, 2003

Biff 

Just another word for a nasty rip-roaring good old fashioned fart.

Dude, did you just biff in my car?!

Biff by The Biffmaster October 24, 2012

Biff 

A word short for "Bitch-face." Usually used when someone is being whiny or just plain dumb.

Man, Trey was being such a Biff when he kept complaining about not getting a bed to himself at the hotel.

Biff by LassJessie September 9, 2012

biff 

To lob, throw or transport an object to a location.

Gat - "Biff the grenade over there for a primo frag!"

biff by GatQuotes December 30, 2011

biff 

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.

biff by The Zebu January 25, 2004

biff 

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.

biff by michthebitch September 10, 2009