閃せん光こう弾だんMeaningsNoun1. stun grenade; flashbang; flash bombKanji used閃flash光ray弾bulletComposed of閃せん光こうflash (of light); glint; schillerNoun弾だんcounter for parts, stages, installments, etc. (of a story, series, project, campaign, etc.); counter for bulletsCounter