The lower intestinal tract, including the rectum and anus, through which all fecal matter egresses on its way into its final destination, be that the toilet, the floor, or in the least desired result, one's undergarments.
Shitpipe is The proper terminology for a gay man's Kum receptacle found sticking vertical uncapped at a construction site!. There are typically well known location for donkey holes to linger around. They must sit down and go up and down until it's assume explodes then becomes Foreman of Jizzlers.