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FOYB = fuck on yo bitch

fucking someones bitch . Her man probably insecure and you could easily fuck on his/somones bitch.
Playboicarti . "I might go fuck on yo bitch" he probably fucking somebody bitch cause i mean its carti what you gunna do?

Foyb = fuck on yo bitch
by Ypreee_zaddy December 27, 2016
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When you hear this, you should probably back off. Cause it means fuck off you bitch
Don’t come near me you! = foyb
via giphy
by PuffPlayz August 02, 2018
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