Blend of Fuck "You stupid Fuck" and Turd "You mate, are a Turd!" so someone who meets both criteria can be succinctly summed up in one word and one phrase... They are not worth the
extra effort or energy expended in saying two
Why did you do that you Fuckturd, you just ran over my
foot... No your
foot was in the way, you saw me coming, its your fault for not moving...