A term used in the alternative lifestyle of BDSM to mean Gender Fluid.
Someone who considers them self to be both a man and a woman, at the same time--regardless of what genitalia they have. Therefore they are GF.
by Notahalf April 19, 2009
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Oi you! GF!!
by tinuel January 3, 2009
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GF is an abbreviation for the cartoon T.V. show "Gravity Falls" created by Alex Hirsch. It is usually only shortformed around fellow Faller's be wise of the common misconception that it means Girlfriend.
"Hey Faller's! Guess what? Alex, the man, just came out with season 3 of GF!"

“Im really into cartoons right now, but good cartoons, not mindless ones. Take for example Gravity Falls, have you heard of it?"
"Yeah dude! My favourite character in GF is Dipper Pines, what about you?"
by Maxine Einstein February 21, 2019
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I'm not GF at all, but the first thing that comes to my mind is thinly sliced smoked tofu. It's awesome on sandwiches! I don't think I've ever seen packaged GF deli slices before.
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Abbreviation or acronym for "girlfriend", a highly coveted and sought-after female partner in a romantic relationship. Often used as shorthand in online chats or while playing games. GF's can, often times, be sparse in online gaming communities which are typically male dominated and filled with neckbeards. Most of the time, a GF is referred to as being someone to hang out with IRL, but that doesn't rule out GF's that exist solely in an online relationship.
*in-game chat*

BrutalStyles: Hey dude, want to hop on and play some modded Minecraft?

KoblerMan: Sorry man, I can't. My GF is coming over today.

BrutalStyles: Oh man, you're lucky. I wish I had a GF...
by StarCraft Maniac February 13, 2015
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Guy 1 Hey man was that your gf?
Guy 2 No, She was just a good fuck.
by DaltonBen1488 March 12, 2010
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Tom: hey one of my old GFs told me you were gay.
Tim: you should not listen to grape fruit sandwiches they are very untrustworthy.
by killfacejj July 2, 2011
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