piss out one's ass

English

Alternative forms

• piss out of one's ass

Etymology

The watery form of the fecal matter and fluid feel of the bowel movements is likened to urination in this phrase.

Verb

piss out one's ass (third-person singular simple present pisses out one's ass, present participle pissing out one's ass, simple past and past participle pissed out one's ass)

1. (vulgar, colloquial) To have severe diarrhea.

   I ran to the bathroom and pissed out my ass for an hour, thanks to that old hamburger I ate.