Restupidumb 

An mix of retarded, stupid, and dumb, meaning all three.

Jimmy fails at life, he is so restupidumb

Restupidumb by Rapetasm March 19, 2009

restupidum

adj; a conjunction of the words retarded, stupid, and dumb. A person who lacks all forms of logic and common sense

adj; an individual who is incapable of thinking and lacks a conscious mind

I've never met such a restupidum person.

restupidum by Reliccseint September 10, 2010

Restudumb 

To be dumber than dumb . It’s basically to be ridiculous stupid & dumb at the same time .

She’s is “Restudumb” she locked her car keys and phone in the car .

Restudumb by Kauri_pickles March 4, 2020