<p><strong>Noun:</strong></p><ul><li>A small ball or lump of chewed paper used as a missile (also called spitter)</li><li>(Baseball) a pitch, illegal since 1920, made to curve by moistening one side of the ball with saliva or other slippery substance, such as perspiration or petroleum jelly</li></ul><p><strong>Verb:</strong></p><ul><li>(Used with or without object, informal) to throw out new ideas by engaging in spontaneous and unfiltered brainstorming</li></ul>