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."
Trying to act gangster, and failing. Employed by many stupid white girls who want to get laid by the basketball team. Consists of wearing FUBU, chains and employing ebonics in everyday conversation.
Used to describe any action or event that leads to the overuse of a guitar, resulting in soreness in the arms/fingers and mental/physical incapacitation.
When he got his new amp, he got G.K.O.'ed because he practiced too much.
I needed to learn so many new songs for my debut, I was G.K.O.'ed.