An acronym for Frum from birth. People who are from religious and observant families.
She's a FFB. I don't think she would date an OTD guy like you.
by Brown Eyed Girl June 7, 2005
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When your girlfriend wont give out!!!

my god your girlfriend is an FFB!!!
by Donovan B April 23, 2007
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Frum from birth. From religious and observant Jewish families.
She's a FFB. I don't think she would date an OTD guy like you.
by Brown Eyed Girl June 7, 2005
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the hottest motherfuckin clique in Texas.
Frisco's Finest Bitches
"daaaaaaaaaaamn, those FFB giirls are FINE!"
by FFB June 30, 2008
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Stands for Fresh Fresh Bagel. Means cool, new
Jamal: Have you heard that new jam?
Carlson: Man, it is so FFB
by chieftan August 9, 2006
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Flat Faced Bitch.

it generally means you are referring to a flat faced person who is an extreme bitch. most often, ffb is associated with people of an asian decent.
1: fuck asians. theyre all ffb's.

2: that asian girl is a hot ass bitch. but shes got a flat face. saving her number as ffb.
by okhihellogoodbye. October 11, 2010
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