Home › Words › S › spitballerspitballerspitballer · noun — A pitcher who moistens the ball with saliva before throwing it.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom spitball + -er.nounA pitcher who moistens the ball with saliva before throwing it.One who spitballs or informally discusses ideas.Definitions & examples from Wiktionary (CC BY-SA 3.0).