Acronym for "Fucking Old Guy".
That F.O.G. is so damn old he shits himself and doesn't even realize it.
door Rick Geary 9 april 2007
Fly Over Gruntsquat
best performed with pre-jizz already leaking out and someone you may or may not like is passed out on their back.

work up to pre-jizz...
Fly Over Gruntsquat 'em.
pics are always handy.
again, follow the directions
F.O.G. someone this weekend....they'll love you for it.
door geoski 14 september 2006
Fog
Dense; whether its weather or thoughts
He hit me with a fog when i got yelled at man.
door Cn Clear 5 januari 2011
Def: Friend Of Girl
-Damn Spitz, you gonna rail her or what?
"Nah man I'm just gonna take her home. She's had too much to drink."
-Stop being such a F.O.G..
door silk manning 16 april 2009
Flow on the Go. An act of smoking the leaf of the cannabis plant whilst driving down a long and lonesome road.
Hey man, you wanna head down Airport and take a F.O.G.?
door Nordic Jesus 9 oktober 2006
fog
the day after getting really high, and you have a marijuana hang over.

not being all there the next day after consuming a lot of THC
to get over "the fog" exercise, take a warm bath, drink water until you're 100% normal
door Katlinn 5 januari 2012
Fog
Creates an obstructive fog across a scene.
With the use of a Fog and a run through the streets of London, I could hear Farqual cursing behind me.
door BartimaeusDefs 28 oktober 2009

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