Thou... Vain Pox-marked Clack-dish
Parts of what makes up this insult can be found in "Henry IV" spoken by "FALSTAFF":

This insult has been seen 3 times on this site. The first time was on Tuesday, April 3rd, 2018O Jesu, this is excellent sport, i' faith!
Weep not, sweet queen; for trickling tears are vain.
O, the father, how he holds his countenance!

A total of 10472 insults have been uniquely generated 10953 times, with a total of 125000 (or 50 to the third power) insults available in the system!