a fagtard is a ultra combo of being faggish and also a tard. in the outcome of this word you are a fagtard. when you are a fagtard you come from the ass.
A person of moderate or high intelligence who acts like someone who is retarded. Can be made into the adjective: fartarded.
Guy 1: Hey i just got a 100 on my math test!
Guy 2: sweet man! that was some hard calculus we had to do.
Guy 1: Yeah. I wonder what 2x3 is?
Guy 2: ...you're a fucking fartard