BFNB's

That girls shirt was way to tight for the size she was, instead she should have been wearing a rain coat to cover up those BFNB's.
by Ryan, Ross, Josh September 10, 2006
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BFNB

Brake for nothing Bitch.

What I call people(mostly women)who are a
mile behind a car but are always touching
the brakes.
You F-ing BFNB. xxxxxxxxxx
by Jcat January 14, 2005
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BFNB

Big Fat Nasty Bottom

A homosexual gentleman who prefers to receive phallus in the booty during the act of intercourse. Can be used in either a derogatory or jocular manner.
"The gentleman that I had the fortune to woo yesterday evening was a mighty BFNB."
"Indeed."
by Didactic Instructional December 29, 2013
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BFNB

An acronym for "bye for now, bitches"

Usually used to replace TTYL as a derogatory phrase, or just as a joke.
"I'm going shopping, BFNB"

"You guys suck, BFNB."
by T5KRT September 08, 2020
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