Piltz
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
Girl2 : I heard he piltz'd his pants
Piltz
A type of rare or exotic mushroom...
"... you are a piltz!"= "you are a mushroom!"