Top Definition
The act of leaving your trouser zipper down in order to gain easy access to the Willy to initiate subsequent urinations. Especially handy while wearing coveralls or bibs while working at heights or rock climbing.
It was much easier for Brian to take a leak after coming down from the pipe rack thanks to his pre-pisser.
#piss #pisser #unzipped #fly down #easy access
by The Paper Tiger September 08, 2010
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