emo

 
Pronunciation: /ˈiːməʊ/
(also emocore /ˈiːməʊkɔː/)

noun (plural emos)

[mass noun]
  • a style of rock music resembling punk but having more complex arrangements and lyrics that deal with more emotional subjects.
  • [count noun] an admirer of emo music or a member of the subculture associated with it, typically favouring black clothing and long dyed black hair: I’m not one of those emos who are always crying—I just want to make that clear

adjective

  • denoting or relating to emo and its associated subculture: an emo band emo kids

Origin:

1990s: short for emotional hardcore