Pooplanking

(V.) The act of removing the back of the toilet and releasing their bowels in the reservoir. Done mostly as a prank or revenge. The aim is to create a terrible smell. Clean or not the bathroom will remain un aired out with a bouquet of feces.

Handyman: You got pooplanked
Lonnie: It's been 3 days and it still smells like doo doo in here.
Handyman: Somebody pooped in the back of your crapper.
Lonnie: Someone doo doo'd in the back?
Handyman: It's called pooplanking.