ゴム銃じゅう

noun

rubber band gun

A toy gun that shoots rubber bands, often homemade or a simple novelty item.

• 子こ供どもの頃ころ、割わり箸ばしでゴム銃じゅうを作つくって遊あそんだ。

  When I was a child, I made a rubber band gun out of disposable chopsticks and played with it.