豆まめ鉄でっ砲ぽう

noun

peashooter

A toy gun that shoots dried peas or similar small projectiles. Also used figuratively in the idiom 豆鉄砲を食ったよう (looking dumbfounded, as if hit by a peashooter).

• 子こ供どもの頃ころ、豆まめ鉄でっ砲ぽうで遊あそんだ。

  When I was a child, I played with a peashooter.

• 突とつ然ぜんの知しらせに、彼かれは豆まめ鉄でっ砲ぽうを食くったような顔かおをした。

  At the sudden news, he looked as if he'd been hit by a peashooter (dumbfounded).