A acronym for "black from the back"... meaning one who this is said of has a large backside
When that white girl walks by, all my homies say she's bftb.
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1. Bitch From The Back, usually referring to a school classroom setting.
2. The person/people who sit in the back of the room that no one likes.
Plural Form: BFTBs (Bitches From the Back)
That BFTB is totally trying to flirt with your boyfriend.
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Acronym for big fat tiddy bitch
Damnnnn, did you see the girl behind the bar? That's a BFTB.