by Mike March 23, 2005
Anytime the buttocks region of an individual has been used to defecate since the last time said individual washed their buttocks.
Nicole always starts her day with poo-poo butt since she showers the night before bed but takes her morning poop as soon as she wakes up.
by BILLEBAB April 11, 2017
The regal words for letting liquid excretory product out of one's genitals into another one's anus, whilst the anus is defecating.
I saw them do the pp poo poo butt!
by 3r1cw1nt3r January 15, 2021