curveball

curve +‎ ball

curveball (plural curveballs)

1. (baseball) A forespin pitch thrown by rotating the index and middle fingers down and resulting in motion down "curve"

   He bit on a curveball in the dirt.

2. (by extension) An unexpected turn of events initiated by an opponent or chance.

   Life has thrown him a few curveballs.

• (baseball): curve (slang), deuce (slang), yakker (slang)

• (baseball): fastball, hardball, slider, cut fastball, two-seam fastball, split-finger fastball, sinker, screwball, softball, knuckleball

curveball (third-person singular simple present curveballs, present participle curveballing, simple past and past participle curveballed)

1. (baseball) To throw a curveball.

• knee-buckler
• bender
• breaking pitch
• curveball on Wikipedia.Wikipedia