Someone who is retarded and gets fucked all the time. Also known as a "retardedfucker" or "tarded fucker". Starting being used by rednecks during the "shit on me" protests in 1989.
Jake "Dude that girl is a fucktard"
James "I know she is such dumb whore"
well this guy, hes SO retarded he dyed his hair red and denied it, and he was on a field trip singing centerfold. EVERYONE agrees that he is a fucking retard, or a fucktard.
an insult used mainly when no other can be thought of, derived from the words fuck and retard, a fucktard is someone who has done something that would match the characteristics of someoen who is mentally challenged
Jhon: Hey joe what have you been doing?
Joe: Nothing much just been stapling my bullsack to my kitchen table Jhon: You fucktard!