koothead 

an insult similar to peebrain
usually preceded by dummy and idot

abbeighyie: you fool. you clown. you idot.
kulsoom: okay peebrain
abby: okay koothead

koothead by hiraffe January 28, 2021

knothead 

Someone who just doesn't learn from sore experience, whose knotty head speaks to repeated thumpings for trying to do something they were told not to do.

My sack-o-shit father called us all knotheads when we tried to raid the cookie jar.

knothead by Siva333 May 2, 2015