Pipe rattler

When you flush ur poop and the pipes make a knocking sound

Bro I just had a pretty good pipe rattler that I felt a little bump in the floor

Poo Pipe Potholer

A person (usually male) who regularly enjoys deep anal-sex.

"That Poo Pipe Potholer rammed me all the way into my bowels. I ain't shit for a week."

"So my dear. I fancy a bit of Poo Pipe Potholing tonight. Get the Vaseline."