What is not referred to as a gang, but a "brotherhood" that makes up their own words and does drugs. It was started by some white and mexican stoners in the Waterloo/Cedar Falls area of Iowa. It stands for "George Keetness Garbage."
"Whoa, dude, look at that group of G.K.G.'s beating up that little black kid!"

"Yeah, I know man, but it's okay though because I just scored some good shit from those bastards!"
by SBOY467 August 31, 2008
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