Genrist

someone who hates a certain genre of music to the point of putting down the music or anyone listening to it.

"wtf, you idiot, turn off that rap. you cant spell crap without rap" "shut up you Genrist, ima snuff you!"

"Jimmy, turn off that screaming devils music!" "mom, your such a Genrist, its the devil wears prada, they massacre the devil with their holy rage!"