B.F.B.

Big fat bastard. A way to insult fatties without them knowing.

"Hey look at that B.F.B.!"

by The Murf September 29, 2005

B.F.B.

Big Fuckin' Bag, it is the largest bag available, used for more inventory space

Used in World Of Warcraft

TinySenyor: I just bought a B.F.B. for more inventory space

by Asidbath February 2, 2007

B.F.B.

acronym for butt fucking buddy; can be used as a noun or verb

She's my sexy B.F.B.

I'm gonna B.F.B. you so hard!!

by icantthinkofapseudonym1 May 29, 2009

B.F.B.

Big Fucking Baby

Whiny patients in a hospital who bitch about EVRY LITTLE AILMENT no matter how trivial and drive employees of said hospital INSANE.

"My toe hurts, I have a hangnail, my skin's so dry, I need another snack, I have to pee again..."

"Oh my god, what a B.F.B."

by Ron December 19, 2003

B.F.B.

Bloodly Fucking Bored

Im so B.F.B..

by Uh idk... September 29, 2008