Like a bible basher, someone who tries to force a certain band on you as if their life depends on it.
They also quote their lyrics constantly in conversations, like subliminal messaging xD
A: What was it like in hospital?
B: Definetely wasn't the best day ever. Every hour, on the hour, they drew blood.
A: Isn't that in a song by My Chemical Romance? :/
*thinks* What a lyric basher!