1 definition by petertheboss

Top Definition
The act of urinating in a body of water. Fairly discrete compared to an aquadump, but still noticeable because of a change in water temperature. Often performed by people who are too lazy to leave the water in order to use the washroom.
Dude, why is the water warm? Did someone take an aquapiss?
by petertheboss August 18, 2009

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