Wet missile

• It uses liquid from a pitcher
• An illegal pitch in which a foreign substance (spit or Vaseline) is applied to the ball by the pitcher before he throws it
• Cardinal sin?
• Illegal diamond pitch
• Outlawed baseball pitch

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ Anna said they are the ones who score low grades and throw spitballs in class. ▪ I checked around for spitballs and paper wads. ▪ My memos are spitballs in the face of the faceless monolith where I work. ▪ The Operations students ...

Wiktionary Word definitions in Wiktionary
n. 1 (context baseball English) A pitch of a baseball that has been partly covered with saliva, illegal at most levels. 2 A balled-up piece of paper, moistened with saliva (by chewing) and shot through a drinking straw. vb. To brainstorm ideas.

WordNet Word definitions in WordNet
n. a projectile made by chewing a piece of paper and shaping it into a sphere 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 ]

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
spitball \spit"ball`\, spit ball \spit" ball`\, n. Paper chewed, and rolled into a ball, to be thrown as a missile; -- a childish prank. (Baseball) A pitched ball in throwing which the pitcher grips the ball between two, or three, fingers on one side (which ...

Wikipedia Word definitions in Wikipedia
A spitball is an illegal baseball pitch in which the ball has been altered by the application of saliva , petroleum jelly , or some other foreign substance. This technique alters the wind resistance and weight on one side of the ball, causing it to move ...