pusbrain

An individual who sticks to a belief or theory even after the through debunking of that belief or theory

that bigot is a real pusbrain.

pusbrain by BIE BIE June 24, 2006

pus-brain 

A term of derision that began to develop in the 1950s. A person who is held in contempt by others for making poor decisions or for being generally ignorant.

"You pus-brain! You're supposed to throw water on the fire to put it out, not gas!

pus-brain by Spyder Rocker March 12, 2016