Octnod - A person who believes they’re smart, but they can’t tell the

A person who believes they’re smart, but they can’t tell the difference between a cat and a hat.

My friend is an Octnod. He wears a hat and still can’t tell if it’s on his head or his feet.

I dated an Octnod who thought a ‘virus’ was a type of pizza.

My teacher called me an Octnod because I said ‘hello’ to the ceiling.