fsos

An acronym for "Fat sack of shit", commonly used to insult people over the internet for being fat in real life.
Stfu you fsos go loose some weight.
by Jack stern June 11, 2008
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fsos

An acronym for "Fat sack of shit", commonly used to insult people over the internet for being fat in real life.
Stfu you fsos go loose some weight.
by Jack stern June 12, 2008
Flag
mugGet the fsos mug.
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