emo
1. (musical genre) emo music rose form the Washington DC punk scene in the mid 80s. bands were noted for being lighter. Notable to today's definition, bands sang instead of the more aggressive punk branch that would become hard core. Due to its vague definition and use as an insult, many bands that are not self proclaimed emo bands are branded with this title.

2. (lifestyle) This is the more commonly known definition. Emos are often self pitting, and have a negative outlook on life. many emos are compared to "goths". The term is usually used for people who's "depression" is fake and only for attention.

1-examples of early popular emo bands include Sunny Day Real Estate and The Promise Ring

2 "dude is dave depressed? he's been looking sad lately."

"naw dude dave's just being emo. hope he doesn't stay that way..."