noun
chuunibyou; adolescent delusions of grandeur
Slang term for cringey, self-important behavior typical of early teens, such as pretending to have special powers or dark secrets. Often used humorously or self-deprecatingly.
彼は中二病をこじらせて、いつも黒いマントを着ている。
He's got a bad case of chuunibyou and always wears a black cloak.
あの頃は中二
I was so chuunibyou back then.
Abbreviation of 中二病, used similarly in slang contexts.
Coined from 中二 (second year of middle school) + 病 (sickness), referring to the self-conscious, grandiose behavior common at that age. Popularized by Japanese internet culture.