A fork of Rural Dictionary
The art of leaving streaks in the toilet after taking a dump. The residue left in the toilet after a good crap.
Bob, what the hell did you eat? You left some major porcelain paint! After that burrito last night, I'm going to leave some porcelain paint.
The process of having a bowel movement and inadvertently staining the side of the bowl.
I will be back in about 10 minutes, I need to go do some porcelain painting.
the act of defecating on such a large scale that the interior of a normally white porcelain toilet bowl is rendered an entirely different color, typically brown
"Jim, where are you headed off to in such a hurry?" "I don't think that oyster burrito agreed with me. I'm pretty sure it's gonna have me painting porcelain."