Translation: "God, what a fucking jerkoff."
or "God damn, you're a wack job."
COR may also be used to describe the feeling when lost and alone in the middle of no where - a desert perhaps? where the sun scorches your eyes and the tumble weeds cross your path ever so softly .... with a distant COR echo-ing , which is coming from the strong lungs of a large bird.
COR may also be used as an expression when you dont actually have anything better to say eg: person 1: "my cat died whilst I was mowing the lawns with my masport lawn mower".. answer: "COR..."