When you have a really satisfying and wicked poop, one so good that after which you say (and feel), "Booyah". But, since you pooed...it's "Pooyah!!". Obviously.
by CM1107 January 04, 2008
An expression for when one pisses out of their ass hole. Another name for diarrhea Pissing Out Of Your AssHole
by Bolo53 October 17, 2019