malnueducation

not educated (malnutrition + education)

John isn't that smart. He must have malnueducation.

Dinglenut

A way to say that a person is stupid and not cool in a silly way. Dinglenut is the funny version of dumbass. You can call any person you don't like a Dinglenut and its pretty much the best insult.

Gavin is a Dinglenut because he is hating on me.