Common acronym for one's grandfather.
Dude: Your GF has nice tits.
Lesbian girl: Thanks, I'll tell my grandfather about your kind words.
Simply, a good fuck.
Person 1: I'm sad.
Person 2: You know what you need? A GF (good fuck).
Also: That Dan, hes such a GF.
shorthand for grandfather, the mighty sword in Diablo LoD
Bryan: Hey dude ive jus got a 250% GF
John: kewl, can i try it on my barb?
Get Fucked. Commonly used in the game Counter-Strike.
"Go Figure". Used less often as the meaning of gf, but shows itself occasionally, mostly via online gaming or chat.
Person 1: Why the hell do people like Macs anyway?
Person 2: Dunno, gf mac zealots.
For geeks, shorthand for GeForce, in reference to the NVIDIA GeForce line of video cards
I just got a new gf
1. Abbreviation for gangster friend
My gf is good nuckin
The forum of choice for fucking lame-ass CS
I got banned by VAC for my errant use of aimbots and my WONID is over 4000000, so I am going to go fag it up over at the GF, and then go to the OTF
and get indignant when I get flamed for being a clueless bluehat