fo

fucker
comes from cutting mofo in half

that fo just ran over my dog. fo.

by alphonso October 13, 2004

fo fitty fo

four hundred fifty four

Turn to page fo fitty fo.

by Bruce Citron September 14, 2003

fo

a misspelling of "for" when someone is typing a mile a minute, or in capitalised form, the hypothetical compound of oxygen fluoride

Hey! That oxygen flouride is fo the birds!

by eszett March 8, 2003

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 January 20, 2009

FOS

Fortress of Solitude

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

by Mai327 June 9, 2011

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!"

by Donatello Quentinstein Kennedy Ripken Sr. September 20, 2007

FOS

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 17, 2008