shitdrilling 

much like drilling for oil, when you shit, you usually hit gas before you get to what you want

since he had to go, jason decided to do some shitdrilling.

shitdrilling by Cupcake Sally April 28, 2010

shitrolling 

dogs rubbing themselves on a fertilized lawn

Carla took her Rat Terrier Clyde for a walk and came across a newly fertilized lawn; Clyde promptly started shitrolling to get the scent all over him

shitrolling by Uncle Joosie June 23, 2020