A person who is relatively obsessed with American Rock Band, Evanescence.
Girl 1: Starts singing 'Bring Me to Life' How can you see into my eyes like open dooooooooooooooors?
Girl 2: You don't know the rest of the lyrics do you?
Girl 1: Are you fucking kidding me? I know the lyrics to every Evanescence song off by heart!
Girl 2: Oh my god, you're such an EvHead.