BIF 

Acronym for "Butt In Front". Usually associated with middle, to elderly women in stretchy polyester pants which, when pulled up high enough give the illusion of their ass actually being in the front. Synonym: Pumpkin Cunt

Dude, my old aunt's got a BIF so big, she can rest a Pepsi bottle on it.

BIF by Jac February 27, 2004

BIF 

Noun - pronounced "biff".
The unsightly bulge older women develop between their belly and their crotch. Stands for "butt in front".
See also minge pelmet.

The only thing I remember about my elementary school music teacher is her gargantuan BIF.

Look at the BIF on that miwlf.

BIF by Cicero's Assassin September 6, 2007

bif 

when some ones boob is in your face (also can be applied to butt in face)

Stephanie: *bends over*
Camila: whoa man total BIF

bif by Giaretta de la Sol November 12, 2009

BIF 

Bitches Is Fucked

Man, I so sick of all the drama from this pussy, BIF...

BIF by vulvatronic September 11, 2010

Bif 

A common name of a WASP who has inherited old money and does not have to work for a living.

Oh Bif, let's play a set of tennis.

Bif by Hasbro July 8, 2006

BiF 

n. Bif The Wizard; The leek wielding mascot of science depicted as a stick figure. BiF's name originates from the elements Beryllium and Fluoride. Is often associated with the word BiFtastic, meaning absolutely nothing whatsoever.

Dude: That's a BiF if I've ever seen one.
Other Dude: What's a BiF?
Dude: I don't know.
Other Dude: Woah... Deep...

BiF by NNBTK October 30, 2009

BIF 

BIF is an acronym for Butt-In-Front. It refers to the large fat pouch people, particularly women, have on the front side.

Check out the BIF on that whale...

BIF by Steve October 29, 2002