used in lieu of dumbfuck or fucktard, should you find yourself in a situation where dropping the F-bomb is a bad idea (i.e. a public place with young children and their aggressively conservative parents around)
I wanted to tell John what a fucktarded asshole he was being in the supermarket, but after noticing the soccer moms' death-glares, i settled for 'dumbtarded a-hole'.
1. adj. A combination of being dumb and retarded.
2. adj. Being either extremely dumb or retarded.
3. adj. Lacking so much intelligence that you cannot possibly describe your dumbosity or retardedness with one word.