Ma Angler - A half-dead, half-angry fish that lives in the mud and hates

A half-dead, half-angry fish that lives in the mud and hates everyone. Also used to describe a person who is too dumb to know they’re dumb.

My brother is a Ma Angler. He thinks the moon is made of cheese and soup.

That guy in the back of the class is a Ma Angler. He eats crayons for breakfast.

My neighbor is a Ma Angler. He tried to dig to China with a shovel.