term used for masturbation. Stands for "Fuck Ones Self"
Going to bed to FOS be back later
by toilet`duck January 01, 2005

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fo
for
by Anonymous April 17, 2003

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FO
FUCK OFF
dude FO im sick of you..
by Samm1 November 07, 2009

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Fo
In chicago "Fo" means Four Cornered Hustla. Which is a Chicago Gang.
"Iight Fo"
"Hey Fo"
by Folabi May 20, 2005

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fo
1. Gangsta shortening of "for"

2. The number following tree

3. Short for mofo, which in turn is short for motherfucker.
1. "Fo shizzle mah nizzle" is a phrase that has become WAY overused.

2. How come you paid tree fitty, I hada pay fo dollas.

3. He is a badass fo.
by someone18 September 11, 2006

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fo
fo = fuck off
fo or im going to stick my massive donkey sized bell in ur fuckin ear
also fu = fuck you as in im a fu in the ear I WILL FUCK U IN THE EAR
by marc May 09, 2003

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Fo
1. Anything you perceive to be bad or negative
2. An ugly or unattractive person- adj, noun
3. an insult used in joking around with a friend
1. That banana was rotten, it tasted fo
2. "Wow man, how could u date her she's so fo!"-as an adj.
"That fo should walk around with a bag over her
head!"- as a noun
3. "Come on Jackie come out with us, don't be fo like
Lisa!"
by Justin Helfman March 15, 2006

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The Urban Dictionary T-Shirt

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