This stupid word has been in the popular lexicon for what, 10 years now? And still, Joe Sixpack has no idea what the fuck it means. This does not in the least seem to disuade him from using it. I've heard "This song is so emo" in reference to Nine Inch Nails, The Cure, Radiohead... its just absurd.
I propose a full-out moratorium on the "e" word in discussions of this year's lineup. An emo band would never be invited to Coachella. DO NOT EVER ACCUSE A BAND OF BEING EMO. All threads which deterioriate into a discussion of whether said band is emo should be locked, and the perpetrators perma-banned for being ignorant.
Yes, I know what "emo" music actually refers to. And it sucks, in my opinion. But (thankfully) very few bands today are actually honest-to-god emo; it would be career suicide.