FO 

Photo Time.
For when my-space posers meet up, cover their faces in make up, and take 'arty' photos. preferably in black or white.

c: omgzzzaa! i totally feel like FO today!
m: yeh, i'm feeling nostalgic today. bring some teddy bears to cuddle in the shots.
c: great! i love FOing with you, i'll bring my makeup!
m: we're gonna look so hot!

FO by mcmcmc August 14, 2006

fo 

TWO definitions:


1) Da numba '4'.

2) Used ta indicate da object, aim, or purpose of an action or activity:

1) "I tapped FO bitches laz night"

2) "Are you FO real?"

fo by D Dizzle My Nizzle December 23, 2003

fo 

Intentional misspelling of "of" for ironic effect.

Might that we could have to leave this general vicinity and retreat southward till the coming fo dawn.

fo by Troy February 5, 2003

fo 

for sure > fo sho > fosh > fo

you gonna bag that hoe? fo.

fo by Phloop October 12, 2003

FO 

Nathan Fillion created the acronym FO, which is the short form for his phrase Full On. It can be used on its own, and/or to intensify a phrase, such as Double Rainbow.

It means that which is:

•fully ecstatically wondrous

•beyond joyfully amazing

•intensely orgasmically blissful

Here are some usage examples for FO, which is short for Full On. (For more examples, see the Twitter page belonging to NathanFillion:)

Nathan Fillion, on his Twitter page, kindly acknowledged my entry work defining his recommendation of the new "in" phrase: "Double Rainbow" on Urban Dictionary! He said it is "Full on." Thank you, Nathan. You are so Full On Double Rainbow! (FO DR!)

The TV shows Castle and Firefly are so intense, they are Full On Double Rainbow! (FO DR!)

Serenity, the feature film starring Nathan Fillion, is so vivid, it's Full On Double Rainbow! (FO DR!)

Nathan Fillion is so awesomely spectacular, sexyhotmessgorgeous, and brilliantly talented, his fame is sweeping across the nation, and over all the world! He is Nathan "Full On" Fillion!

FO by Kcat10 August 1, 2010

FO 

short for Friendship Over.

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

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"

fo by auha fafa May 15, 2016