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Noun: spitball  'spit,bol
Usage: N. Amer
  1. A projectile made by chewing a piece of paper and shaping it into a sphere
  2. An illegal pitch in which a foreign substance (spit or Vaseline) is applied to the ball by the pitcher before he throws it
    - spitter

Derived forms: spitballs

Type of: delivery, missile, pitch, projectile

Encyclopedia: Spitball