They started with a spitball session, tossing ideas around to see what sticks.
From the ocregister.com
Shouldn't Gaylord Perry's complete games be thrown out because he used a spitball?
From the washingtonpost.com
Gaylord Perry, he of the notorious, illegal spitball, is in the Hall of Fame.
From the nytimes.com
A cleaner removes the spitball-like lint with a vacuum, compressed air and brushes.
From the sacbee.com
Only problem with the math is that it was a spitball back of the envelope calculation.
From the economist.com
Spitball as many ideas as you possibly can just to see what sticks.
From the techcrunch.com
He's learned where Italy is, he's mastered the mighty spitball.
From the sacbee.com
With Perry in the house, talk inevitably turned to the spitball.
From the sfgate.com
He was bailed out by three double plays, which the participants say were induced by his spitball.
From the post-gazette.com
More examples
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
A pitch of a baseball that has been partly covered with saliva, illegal at most levels; A balled up piece of paper, moistened with saliva (by chewing) and shot through a drinking straw; To brainstorm ideas
One point of drugs wrapped tightly in a piece of plastic from a garbage bag. Usually stored in the mouth and swallowed if necessary to elude arrest.