Pachinko is a Japanese arcade gambling game where players launch small metal balls that fall through a field of pins into winning pockets, triggering payouts and flashing lights. Machines became a fixture of pachinko parlours across Japan during the twentieth century, and their distinctive mix of clattering balls and electronic jingles became widely recognised outside Japan through games, anime and travel videos. Online, the short machine sound was clipped for memes and edits, where it now signals luck, risk and a sudden win in gaming and gacha culture.