What is F.o.s.?
1.
Abreviation for "Full of Shit"
You are so "F.O.S."
They are really so "F.O.S."
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2.
Acronym for Fuck On Sight. A type of individual when seen by another, one would be willing to have sex with without knowing anything about them, not even their name.
"Dude, that girl in the parking lot, her eyes, those hips, she's a definite F.O.S."
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3.
Flowers over snitchs, found in a lil wayne song
F.O.S. for life!
F.O.S. all day
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1.
Someone who listens to all types or just certain types of music constantly; even for a couple of seconds.
Person 1: "There goes th..
