kidhead 

Man-child. Has a big body and an abnormally small head.

Chaz McWilliams is a kidhead.

kidhead by ASAPDesperado January 15, 2016

Kinhead 

First coined in 1972 by an unnamed individual with a speach impediment. If someone if Fu#%ed in the head they are said to be a Kin Head or a kinhead.

He isn't an idiot, he is a kinhead.

Kinhead by Doug Drophard June 14, 2017