FOF 

means "Friends or Fuckbuddies"

Online profile: "Looking for fof ..."

FOF by bbackbottompa May 14, 2010

FOF 

it usually means to fuck off

nick h - mitch im gay

mitch t- FOF(fuck off)

FOF by mr.tenaglia August 24, 2008

Fof 

The last bit of soda that is impossible to get out of the can and into your mouth.

Anneke: Hey, can I have a sip of your soda?

Tony: You can try, but all that's left is the fof.

Fof by Toninator May 21, 2009

FOF 

Flat out fridays, when one strive for the best on a friday. Whether it be working or partying or any other activity. Can be used in a hashtag format, ie #FOF

Hey bro we gonna party hard tonight like FOF!

FOF by jakebrake November 22, 2013

Fof 

A short way of saying "Fuck Off"

Person 1 : "lol you screwed up yesterday"
Person 2 : "Fof"

Fof by Dyro June 11, 2015

FOF 

Fuck off Friday

FOF!!! It's party time! Pop the champagne!

FOF by Melloman February 16, 2017

Fof 

Fuck off faggot

Write fof on your textbooks or some dumb shit idk 😂

Fof by Frenchfriebuttermilktoasted October 24, 2017