noun
middle-school student; junior high kid
Slang term, originally an abbreviation of 中学生の坊や. Often carries a mildly dismissive or teasing tone, implying immaturity.
あの中坊、またゲーセンで騒いでるよ。
That middle-school kid is making noise at the arcade again.
中坊の頃はよく公園で遊んだな。
I used to play in the park a lot when I was a junior high kid.