cranius rectus

An individual who suffers from having their head stuck in their own ass.

Mom: Johnny was sent to the principal 's office today.

Dad: What did he do this time?
Mom: That boy has Cranius Rectus.

cranius rectus by Goobsnack April 7, 2017

Cranium-Rectum Inversion 

A recently discovered achievement in which a person headbangs to the degree of which their cranium is placed in their rectum. A person who achieves Cranium-Rectum Inversion is considered one of the Metal Gods.

Metalhead 1: Watch me achieve Cranium-Rectum Inversion.
Metalhead 2: No way.
*Metalhead 1 achieves Cranium-Rectum Inversion and becomes a God*
Metalhead 2: Awesome!

Cranium-Rectum Inversion by Transform April 22, 2006