Top definition
The act of finishing peeing and starting to close up shop, then dripping down your leg.
*Walk out of bathroom with wet spot on your pants.* "Yeah I just post pissed myself."
by Bkeith87 February 11, 2011
Get a Post piss mug for your brother-in-law James.
Jul 30 Word of the Day
A kid in my class is a water slapper
by jgyhsref January 22, 2020
Get a water slapper mug for your coworker Nathalie.