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In beer pong, the act that must be performed by a player who throws a pingpong ball so vigorously at the opposing player's cup that the cup spills and the contents of said cup are spilled onto the carpet.
Boy 1 throws the ping pong ball at Boy 2's cup, and the cup spills.

Boy 1 - "Uhh... What happens now?"
Boy 2 - "Just fill the cup up and drink it, but just know usually they'd make you suck it outa the shag!"
by Lukeapotomous January 22, 2011
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