emo

It seems that these days its to easy to be an emo. I hate emos i cant stand weezer and simple plan they make me sick and i wish they would all just cheer up and stop whyning. Today i got called an emo cause i was wearing a Black Sabbath shirt...i dont understand :( ive also been called an emo for having long hair. I just dont get it. can anyone help me out here?? what are your thoughts??