Melo -- Melodramatic is a word to describe overly dramatic emos, or kids who want to be emo.
Emo kids, or kids who try to be emo are referred to as "Melo" or "Melodramatic" because of their attention seeking and lack of relevance in situations.
Jeff: I fucking hate you!
Ashley: Jeff, stop being so melodramatic.
Jeff: NO! YOU RUINED MY LIFE! I'M GOING TO GO CUT MYSELF!
Ashley: Oh for fuck sakes... You fucking melo.