One who has such a high level of stupidity that they are seen as both a moron and a retard at the same time.

A retard, only more so. A more retard.

A combination of a moron and a retard. A person who is equal parts stupid and mentally deficient. A person of low ability and low intelligence.

a combination of moron and retard

Mo•tard mo-tahrd
Noun

some one who does not know how to control there motivation.

1a. you’re so motivated your retarded.
2a. retarded with motivation.

Motorcyclist (French). Known more commonly in the phrase "Supermotard" (superbiker), a powersport combing aspects of road and motocross racing.

Owing to the long history and development of this sport in France (via U.S.A.) and now much of Europe, this phrase now in common use worldwide.

Contraction for "motorized retard". A motard is a retard whose disability inhibits motor skills, limiting him or her to a wheelchair or other form of artificial locomotion.