When a person paints the wall behind the toilet with explosive diarrhea while attempting to sit. Also known as a photo finish. The best masterpieces are created after 12 beers and greasy mexican food.
A Pablo Poocaso is when someone shits on ones chest and then decides to recreate a pablo pacaso painting with there penis as a paintbrush, or as some call it, a poobrush.
Hey Justin bring your fat poobrush over here and finish this damn Pablo Poocaso that you started on Zachs chest.
1. I gave birth to a bowel movement that would later be identified as the first chunk of fecal matter so precious that it need be validated as an original Poocaso, instantly a timeless classic that would provide inspiration and motivation for many generations to come.
2. Mr. Tosto was dubbed the Poocaso bandit by local authorities for the crimes against humanity he committed when trying to sell the critically acclaimed Poocaso he had stolen from the National Art Museum.