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The act in which a person waits until they have to urinate real bad and then proceed to give a man or woman anal sex. During the sexual intercourse, the person giving anal pees in the rcipienbt's butthole up until right before they involuntarily poop it back out with such force that it resembles the water stream that comes out of a powerwasher.
I Detroit powerwashed her walls last night.
by Arty1976 November 06, 2016
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