紙團,唾沫曲球
Spitball \Spit"ball`\, n. Paper chewed, and rolled into a ball, to be thrown as a missile.
spitball n 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 [syn: {spitter}]