The distance traversed by a stream of piss measured from the opening of the urethra to the spot at which the stream lands.
Typically men have a longer pistance than women.
by Chennessey December 7, 2015
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How far away from the urnal that you can stand and still piss in the urnal.
Bro I got my pistance up to 6 feet today.
by D_professor September 17, 2015
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