学がっ校こう裏うらサイト

noun

underground school website; unofficial school message board

Refers to unofficial, often anonymous websites or online forums associated with a specific school, where students may share test info, gossip, or engage in cyberbullying. The term carries a negative, hidden-community connotation.

• 学がっ校こう裏うらサイトでのいじめが問もん題だいになっている。

  Bullying on underground school websites has become a problem.

• 彼かれは学がっ校こう裏うらサイトに試し験けんの過か去こ問もんを投とう稿こうした。

  He posted past exam questions on the underground school site.