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Known as a bidet in Europe. This sink like fixture is used for cleaning the genitalia after a pleasurable and/or unpleasureable experience.
Ex. 1: After Jimmy found out he slept with a transvestite on his trip to Thailand he used the penis sink to thouroughly cleanse his junk.

Ex. 2: "Bob thats not a fountain, its a penis sink!"
by KillWill420 April 27, 2010
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