Dedoidarus
The act of being egregiously stupid (or stupid as shit) in any situation at any time.
Pronounced: Duh-Doy-Duh-Rus
Pronounced: Duh-Doy-Duh-Rus
Ex. Dude 1: Aye whats obama's last name? Dude 2: Bruh what bruh? You sound fucking dedoidarus as shit right now.