Someone who is retarded and gets fucked all the time. Also known as a "retarded fucker" 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.