porcelain paint 

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.

porcelain paint by cheeks1128 February 4, 2010

Paint Some Porcelain 

To discharge liquid feces violently into the toilet, resulting in a colorful toilet bowl.

Hold that thought bro, i gotta go paint some porcelain. I knew i shouldn't have eaten that lobster in Mexico.

Paint Some Porcelain by Queenworks December 15, 2008

Paint the Porcelain 

An explosive spray of diarrhea such that the innards of the toilet are coated in the chocolate colored substance.

Oh man, i shouldn't have eaten that taquito. I'm about to paint the porcelain!

Paint the Porcelain by Raven3113 April 19, 2009

paint the porcelain 

when one takes a shit so hard that the piece of shit sticks to the toilet even after multiple flushes.

hey jack, save my seat will ya. i need to go and paint the porcelain.

paint the porcelain by frank valente August 5, 2006

Porcelain Painting 

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.

Porcelain Painting by Ninja Medic November 5, 2011

painting porcelain 

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."

painting porcelain by triebkore March 16, 2012

Painting the Porcelain 

When the food you pass explodes in the toilet and there is no white left to be seen

I had Mexican for dinner last night and within 2 hours I was sitting in the bathroom Painting the Porcelain. Why don't they just make toilets in brown?

Painting the Porcelain by Urban humor May 24, 2017