Definitions
1.noun(early 1990s) A particular style of hardcore punk rock
2.noun(early 1990s) An individual or group of people associated with that subculture and musical style.
3.noun(late 1990s-current) Any form of guitar-driven alternative rock that is particularly or notably emotional
4.noun(late 1990s-current) An individual or group of people associated with a fashion or stereotype of that style of rock.
5.noun(2000s) A young person who is considered to be over-emotional or stereotypically emo.
6.adjectiveEmotional; sensitive.
7.adjectiveDepressed.
8.adjectiveAssociated with youth subcultures embodying emotional sensitivity.