dodecadumbass
When someone is so stupid, they are literally 12 times dumber than you could possibly comprehend.
Example:
Person 1: "How many sides are on a triangle?"
Person 2: "(name), you fucking dodecadumbass, it's literally in the name."
Person 1: "How many sides are on a triangle?"
Person 2: "(name), you fucking dodecadumbass, it's literally in the name."