1 definition by Lyndsey and Steph

game popular amongst horney middle school boys in which a girl in a low cut shirt is showered with assorted garbage aimed at her cleavage.
An excuse for middle school boys to reach down a girl's shirt in order to retrieve a sunk wad of paper.

see boob grabbing
Joe: Hey baby, hows about a game of breastketball
Slutty Susan: ok, feel my chest!!!!!

Joe: Hi sexy, let me play breastketball with you
Mary: Eww pervert, Dont touch me or my titties
by Lyndsey and Steph June 22, 2006
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