閃せん光こう発はつ音おん筒とう

noun

stun grenade; flashbang

A non-lethal explosive device that produces a blinding flash and loud noise to disorient people. The loanword フラッシュバン is more common in everyday speech.

See also: フラッシュバン

• 特とく殊しゅ部ぶ隊たいが突とつ入にゅう前まえに閃せん光こう発はつ音おん筒とうを投なげ込こんだ。

  The special forces threw in a stun grenade before entering.