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1. FBOS
Flaming Bag of Shit - A totally clueless and useless motherfucker.
FBOS - Flaming Bag of Shit, you can't decide whether to stomp it out or let it burn. ie. Marek.
2. FBOS
fat blob of shit lazy person who eats alot and orders people around
FBOS Someone who eats a lot of sweat pies
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