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An internet acronym short for "get the fuck off my kool-aid bitch!".

Used for when someone is all up in your grill, or when you're just having fun, or used to confuse someone, or for anything you want to use it for.
Larry: "Hey man, sweet new bed, it's really comfy."
Steve: Dude, GTFOMYKB.
by Ashley Anarchy September 22, 2008
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