ANUS MASTURBATE
It is a BOWEL MOVEMENT from start to finish and it has a PURE PURPOSE at a certain point.
Well, when you realize that this is the most PURE ACT in the world which is proven by the ultimate ASSHOLE LEADER your ANUS MASTURBATE and that is why it feels so good most of the TIME when SHIT passes from your ANUS into the ASSHOLE to the outside world.