Rearios 

The act of putting milk and cheerios in someone's ass and eating it with a spoon while watching nick Jr.

We ran out if bowls so I had to settle for rearios

Rearios by SaggyPotatoes Inc. January 7, 2016

Reariod 

Bloody diarrhea.

After eating the atomic hot wings, Jim was on his reariod for 3 days.

Reariod by m0nk3ym0k3 May 4, 2009