spitball

From spit +‎ ball.

spitball (plural spitballs)

1. (baseball) 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.

spitball (third-person singular simple present spitballs, present participle spitballing, simple past and past participle spitballed)

1. (baseball) To moisten the ball with saliva before pitching it.
2. To brainstorm ideas.
   • 1950s.
   • 1992, A Few Good Men (film)

     Maybe, and I'm just spitballing here, maybe, we have a responsibility as officers to train Santiago.

   • 2008, Role Models, 01:09:07:

     - Yes, Wheeler?
     - Question. Maybe a stupid one, but I'm just spitballing here.

• spitballer

• ball pits