fo 

Short for “fool”
Commonly used to refer to a friend or acquaintance after they say something that you think is plain stupid.

Tyrone: That shorty bad af!
J’quevion: Nah fo, you trippin’.

fo by spyynz May 13, 2024

FO 

Short for Freak Off, this slang term references Diddy’s notorious parties, but can also be used more casually to dismiss shady or scandalous events. It’s often dropped in conversation to label any sketchy or chaotic situation where things seem out of control or overly secretive

Justin Bieber: “That whole scene last night? Total FO vibes. No thanks.”
Meek Mill: You should of stayed, me and The Diddler got to really know each other.
Justin Bieber: Is it to late to say Sorry?
Meek Mill: I just hope they forgive me for what I did with Diddy.
Justin Bieber: yeah I GTG

FO by IRSAgents October 6, 2024

FO

Fuck off

We FOed (Jesse, breaking bad, S5E4)

FO by Random1354785 February 3, 2026

'fo 

Short for "before"

Shut the fuck up 'fo I beat yo ass!

'fo by Sir_Tweaks January 15, 2015

fo' 

Short way of saying "before"

Get out my face fo' i whoop yo ass!

fo' by Pizzlej March 18, 2019

fo' 

meaning for

fo' shizzle (for sure)

fo' by keshan January 27, 2003

fo' 

(1) meaning "for"

(2) meaning "fool" in some dialects (see stupid ass)

(1)What was that fo'?

(2)Fo' if i catch you in my part of town i will cap your ass.

fo' by Ty Chapman May 4, 2005