pachinko /pəˈt͡ʃɪŋkəʊ/noun 1verb 1forms 3 noun1 •A mechanical ball-dropping game similar to pinball, popular in Japan.Two teen-age boys, after selling their personal belongings to play pachinko, sold their blood to "gamble.” — 1952 verb1 •To tumble down through a series of obstacles.She drizzled them in slowly and listened to the susurration of the bolts pachinkoing their way through the refrigerators and fax machines, on their way to some illegal dump. — 2016 formspachinkoed · pachinkoing · pachinkos