FOS

An acronym that stands for: Full of Shit. pronounced "Faas"(long a sound), used do descirbe a statment from someone who is a habitual liar or bullshitter

Johnathan: Yeah i got my hot asian fiancee pregnant...
Everyone else: FOS FOS FOS!!!

by Apoo7 December 19, 2008

Fo Sho Mo Fo

"For sure, motherfucker" - said as if you were drunk, and your mouth is full of marbles (or balls). Frequently used by old men to appear young.

Kid: Dad, you wanna go get a burger after the game?

Dad: Fo sho mo fo!

Kid (embarassed): Oh, I forgot I have homework.

by moehong August 15, 2010

Fo sho mo fo

For sure mother f***er

"Y'all want some fried chicken and waffles?"
"Fo sho mo fo!"

by Schmoozie May 23, 2006

FO

short for Friendship Over.

If you don't call me back, consider us FO.

by eight and ten August 10, 2010

fo

Usually said by niggers, it is a short version of the word for, usually makes them feel they have a bigger chunk.

Nigga 1: "Yo hommie, check up that ass"
Nigga 2: "I'd fo sure bang that"

by auha fafa May 15, 2016

Fo

personal information

i need to get some "Fo" so that I can make some money

by sdkjvaskdvjbaslicbsudb October 3, 2008

fo sho fo sho

Stating that you are "for sure" going to do something. It is definate and without a doubt (that is why it is stated twice in a row).
Known from the character Seth in the popular teen movie Superbad, where he tells Jules that he will "for sure" buy alcohol for her party.

"Yeah we're going to the party fo sho fo sho. We're going to the party fo sho."

by shannybanny March 21, 2008