Mabellyn - A person who can't tell the difference between a pizza and a

A person who can't tell the difference between a pizza and a math problem

My neighbor is a Mabellyn. She tried to solve a math problem and ended up eating it.

My brother is a Mabellyn. He thought homework was a snack.

My friend is a Mabellyn. He tried to add 2 + 2 and got 5 because he was hungry.