<i>noun phrase</i> an insult of lazy desperation. There is no need for this paricular insult to follw any other particualr insult, however it does tend to end arguments quite quickly, be it by laugher or the confused looks of the recipient.
"I can't believe that you could actually do that to my cat! You're a horrible sample of a human being and should throw yourself into the nearest meat grinder! I hope you curl up and die!"
"Oh just shut it ya... ya BIG DUMB!"