Noun
second year of junior high school; second-year junior high school student
Abbreviationabbr. of 中学校2年(生)
私は中二で学校を退学した。I dropped out of school when I was in the 7th grade. behaving in a way characteristic of teenagers going through puberty, esp. by being overly self-conscious; 2nd year of junior high sickness
AbbreviationSlangJocular, humorous termsee 中二病
Also written 中二【ちゅうに】、厨二【ちゅうに】