noun
plastic baseball bats on a chain used in sports cheering
A pair of small plastic baseball bats connected by a chain, struck together rhythmically during sports chants. Named after Bruce Lee's nunchaku. Wasei-eigo from 'kungfu bats'.
wasei-eigo (Japanese-coined English), from kungfu bats
応援団がカンフーバットを打ち鳴らして盛り上げた。
The cheering squad struck their kungfu bats together to liven up the crowd.
甲子園ではカンフーバットの音がよく聞こえる。
At Koshien, you can often hear the sound of kungfu bats.