Thou... Currish Dismal-dreaming Bugbear
Parts of what makes up this insult can be found in "Two Gentlemen of Verona" spoken by "LAUNCE":

This insult has been seen 2 times on this site. The first time was on Tuesday, July 18th, 2017Marry, she says your dog was a cur, and tells you
currish thanks is good enough for such a present.
But she received my dog?

A total of 10308 insults have been uniquely generated 10778 times, with a total of 125000 (or 50 to the third power) insults available in the system!