When you poo your pants in a public place and try to keep it a secret
Girl1 : There's that guy who asked his girlfriend to take him home when they just arrived
Girl2 : I heard he piltz'd his pants
by deckardcain279 December 11, 2019
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A type of rare or exotic mushroom...
"... you are a piltz!"= "you are a mushroom!"
by lysha_loo April 8, 2008
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