A game that's played in a team shower after a game or practice that consists of one person throwing a bar of soap, and someone else trying to hit it with their dick, similar to how a baseball is hit with a bat.
Person 1: "Hey man wanna play shower baseball after the game?"
Person 2: "What the fuck is wrong with you?"
Person 2: "What the fuck is wrong with you?"
by JackGoff1592102 February 3, 2020
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