The act of pressing together one's anus to another consenting party in order for one of the participants to cleanly insert stool into the rectum of the partner. The stool will then travel back out and be pushed out of from receivers anus into the giver's, creating an infinite poop loop.
Henry: Caillou, come shit inside me!
Narrator: Caillou was enjoying the infinite poop loop with his friend. He completely forgot about snack time.
Teacher: WHAT DID YOU JUST SAY?
Henry: I said come sit beside me!
COPE! COOOOPE! I knew you would say that! And I knew you'd do the only thing you ever do (which is the most liberal debate tactic you can employ). Every point of contention explodes in to a nebulous inky cloud. Every instance of a thing happening is "TOO nuanced" to make any definitive statements. So, you squirt out you little ink poop and swim away I'll the squid you are.
A literal squid "That's just how relationships work, guys! Your wife just leaves you for the first fat-cocked retard she meets and that's just how things work! But Hym isn't roght though because Eeh! *Ink poop* Women aren't just fucking me because I have 1 million dollars. Myron isn't right because Eeh! *Ink poop*"