Expression of disgust often heard in Yucatan, Mexico.

Also spelled: Fó
Guy: Look at Pedro, he barfed all his cerveza.
Chick: Fo!
by MousePad October 28, 2005
Fuck off
you know what, you can just fo
by poopipot May 22, 2016
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
Typographical error of "go," it has now achieved near-meme status for certain internet users.

It originated on 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
When one friend is acting like a fool.
"What u want Fo"?

"This fo keep bugging me"
by Rock6d January 03, 2012
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.
by apilot April 18, 2007
personal information
i need to get some "Fo" so that I can make some money
by sdkjvaskdvjbaslicbsudb August 07, 2008
F.O. is an exsteem odor produced by the female.

A pungent odor emitted by a female receving a vist from T.O.M.
Yo, that nigga has got some rank ass F.O.
by Meg M February 23, 2005
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