fucktard

adj. fucking-retard, with fuck used as a prefix to emphasize the severity of retardation.
adv. fucktarded, the state of being a fucktard, such as running in a fucktarded way, or your girlfriends fucktarded.

"So you're trying to tell me Step Up isn't shit?"
"It's not"
"You're a fucktard"

by Lee Harvey Oswald, Grass Knoll August 15, 2008