noun
smart ball; Japanese pinball-like game
A traditional Japanese arcade game resembling pinball, played on a slanted board with nails and pockets. The term is wasei-eigo from English 'smart ball'.
wasei-eigo (Japanese-coined English), from smart ball
縁日でスマートボールを楽しんだ。
I enjoyed playing smart ball at the festival.
スマートボールはパチンコの原型と言われることもある。
Smart ball is sometimes said to be a precursor to pachinko.