Deuxdus
An idiotic person incapable of intelligent reflection. A simpleton.

Derived from the French-Canadian expression "Tu es un deux-de-pique", deuxdus represents a person even MORE idiotic than a "deux-de-pique"

An idiot. A doufus. A moron. A simpleton.
What a deuxdus! He couldn't come up with the answer to 1+1 even if you spotted him a 2