noun
brushback pitch
A baseball term for a pitch thrown close to the batter to intimidate or force them back from the plate. Wasei-eigo from English 'brush ball'.
wasei-eigo (Japanese-coined English), from brush ball
ピッチャーがブラッシュボールを投げて、バッターをのけぞらせた。
The pitcher threw a brushback pitch, making the batter lean back.