along with sunny day real estate, they were the founders of emotive hardcore aka emo music.
Girl: Have you heard of at the drive in?
Guy : Arent they some gay american band
Girl (getting extremly frustrated) : they were one of the founders of emo!!!!
Guy : what as in `oh im soo unhappy,im so emo,im gonna go and slit my wrists`.
Girl : as in emotive hardcore, the music.