Idiotic-sounding definition for a person who likes heavy metal/rock etc. Used by members of the flock to pigeonhole individuals into a category. Describes a person who won't follow boring trends or be brainwashed by the constant stream of waste excreted from the filthy abyss of the pop music industry.
Look at those gloves! You f*cking greebo. You want to get yourself some Calvin Klein gear. Beat her up, babe.