BFB 

An acronym meaning 'Before FaceBook'

That shiza is so played out... circa BFB

BFB by Boom-chica-wacka-chica-wacka.. April 24, 2010

BFB 

An acronym for "Big Fat Blunt", a paper tool utilized to smoke marijuana from. Typically the BFB phrase is employed when a user wishes to get incredibly fucking high.

BFB can further be modified by inserting other adjectives into the acronym, such as a BMFB: Big Mother-Fucking Blunt

Stoner 1: Hey brah, whatchu doin' later on?

Stoner 2: Kickin' it with a BFB - come over and hit that shit!

BFB by Johnsely August 24, 2009

BFB 

Acronym for a Big Fucking Building, especially in reference to a large building in which a good deal of sexual encounters take place; in other words, a slang name for a large hotel.

Dude, have you seen the new hotel downtown? Now that is a BFB,

BFB by randompersonabcxyz July 19, 2010

BFB 

Breathing for Batman. In anticipation of the summer blockbuster The Dark Knight, many fanboys have come to use this as a way of expressing their 24/7 love for the film. This can also be used rhetorically or sarcastically against aforementioned fanboys.

From now til July 17, I'm just BFB all the way.

No way Ryan is gonna want to go out Friday. He's gone gay for the week, big nipple suit lovin' BFB.

BFB by Aaron Joe August 11, 2008

BFB 

Big Fat Blog: a fat acceptance site.

Big Fat Blog - BFB for short - is one of the leaders of the fatosphere, bloggers who post about sizism, fat acceptance and the rights of fat people.

BFB by tante March 2, 2009

BFB 

abreviation for Best Friend Bandit; also known as someone who takes away someone elses best friend with out caring of the other friends feelings

ale: my bf isnt talking to me, you are such a bfb!
jes: watevssssss

BFB by nanamanzana August 19, 2008

BFB 

1.) butt flossing bobohead

2.) big frickin' bitch

3.) boring flow beats

4.) baga fool brunches

"u, your moms, andd and your sista are ALL BFBs"

BFB by ladidaaaaz November 1, 2008