FOS

FOS by AriBigFatBlackGuy November 30, 2009

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fos

it could mean also :

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fos by peter edin October 16, 2008

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1) Friggin' Awesome Shit.

2) Friggin' Awful Shit.

meaning varies according to situation. yeah, it doesn't make sense, but at least 2 or 3 people I know have used it.

FOS by bastardface October 21, 2004

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FOS pronounced as False. Meaning Full Of Shit, some one who tell obvious lies to exaggerate there lifestyle.

Alvin so FOS. Why he trying to impress me with all them lies?

FOS by TheRealKennis March 11, 2017

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Don’t you just hate when you play fortnite and your mom gets FOS’ed by some random guy

FOS by cw91fos May 13, 2018

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Full of shit.

That pillow lady, was FOS, with all her constant hypocritical judgments.

FOS by Hot Chicky Babe January 31, 2020

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FreedomOfSpeech

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