noun
Wasei-eigo baseball term for a fastball. Used in Japanese baseball contexts; not the English 'speedball' (drug mixture).
wasei-eigo (Japanese-coined English), from speed ball
彼のスピードボールは150キロを超える。
His fastball exceeds 150 km/h.
Variant with interpunct; less common but still seen.
Wasei-eigo from English 'speed' + 'ball'. Not to be confused with the English word 'speedball'.