1 definition by okhihellogoodbye.

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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