Typographical error of "go," it has now achieved near-meme status for certain internet users.

It originated on www.ar15.com on June 2, 2008. Popular and regular member "shaunofthedead" purported to have the opportunity of an orgy with some unknown people. After drunkenly deliberating for several hours whether or not he should take advantage of this opportunity, at 10:42:57 EST he posted simply "fuck it im foing."

He was never heard from again.
"fuck it im foing"

"Is anyone going to fo to the tea party?"

"Green means "fo."
by PhuzzyGnu September 20, 2009
Get the fo mug.
fo is 4oz of prometh\codiene mix with some sprite and ajolly rancher and yall be leanin thas purple drank baby
i just poured up myself a fo bout to get folded
by springnigga August 22, 2007
Get the fo mug.
reffering to the number "four".
reffering to the word "for".
"Im fo dollas short on my bill dawg"
"Fo sho my niggas"
"Im all fo you baby"
"One, Two, Three, Fo"
"Fo real"
by ShOvel July 25, 2003
Get the fo mug.
N. Two four day work or school weeks separated by a four day weekend.
These next two weeks at school wont be that bad, it's a fo fo fo.
by MV2011 September 4, 2010
Get the fo fo fo mug.
FOS is short term word said for "Figure of speech", "Figure of speech" is used for like in sentences where your joking.
I'm kms (FOS)

You are idiotic (FOS)

What if i start a cocaine company?🤔 (FOS)
by ShadowOfHallows October 24, 2023
Get the FOS mug.