a fortified place of fueg : stronghold; especially : a large, funky and impenetrable fortification, sometimes in a closet.
stefan: What is FOF?
Matt: FOF is I
Stefan: Are we fofin later my niga?
Paul: yee, bring psychedelics holmes....n dejoes!
Jordan: Its just not, most of the times, maybe, huh, u know, like ur having an orgasm in a different room at the same time, like wah, jiz!!!
Noah: dude, first of all fuck u jordan, and wtf is tht smell?
Stefan: Who made a foofie in the FOF?