中ちゅう二に病びょう

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.

• 彼かれは中ちゅう二に病びょうをこじらせて、いつも黒くろいマントを着きている。

  He's got a bad case of chuunibyou and always wears a black cloak.

• あの頃ころは中ちゅう二に病びょうだったなあ。

  I was so chuunibyou back then.