fo 

"fo shizzle ma nizzle" is a bastardization of "fo' sheezy mah neezy" which is a bastardization of "for sure mah nigga" which is a bastdardization of "I concur with you whole heartedly my African american brother".

Fo shizzle mah nizzle, Thomas.

fo by BAMBAMBAAAAAM October 28, 2009

Fo 

When one friend is acting like a fool.

"What u want Fo"?

"This fo keep bugging me"

Fo by Rock6d January 9, 2012

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

fo by marc May 9, 2003

FO 

Airline First Officer (Co-Pilot).Works in concert with the Captain in performing the duties required to operate an airplane safely on the ground and in the air. Typically a younger (less senior), less experienced pilot, but nonetheless a competent professional. Flies the airplane from the right whereas the Captain sits in the left seat.

The FO flew the leg from LAX to JFK.

FO by apilot April 27, 2007

fo 

for

fo by Anonymous April 17, 2003

Fo 

In chicago "Fo" means Four Cornered Hustla. Which is a Chicago Gang.

"Iight Fo"
"Hey Fo"

Fo by Folabi May 22, 2005

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!"

Fo by Justin Helfman July 22, 2008