1 definition by Merriam Webster Definitions

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!
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