FOS

1. Full Of Shit

2. Female Oral Stimulation

3. Nickname for Andrew Lynn

1. Furby is FOS

2. Morris: I went for a bit of FOS with apiphonyiernfi

3. Are you going to millys FOS?

by jOeFiSh15 October 08, 2008

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When the freak from down the street came over for dinner, I retreated to my FOS.

by Mai327 May 15, 2011

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Fo

Short for a fourty Oz. bottle of Malt Liquor, preferably in OE or Big Bear.

"Yo, man, we're gonna need about 6 Fos tonight!"

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n. to describe a person who is 'Full Of Shit', and treats those who try to help them with disrespect.

Person 1: 'I'm not coming to my doctor's appointment today because you didn't tell me I had to pay anything.'
Person 2: 'Don't be such a FOS.'

by Maria Espia March 18, 2008

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Guy one: I don't like you
Guy two: FO

by 2451346523562 December 24, 2010

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An errant golf shot warning other golfers on the course of a ball coming their way.

by Archie Black July 11, 2003

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Expression of disgust often heard in Yucatan, Mexico.

Also spelled: Fó

Guy: Look at Pedro, he barfed all his cerveza.
Chick: Fo!

by MousePad October 28, 2005

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