Thou... Jarring Boil-brained Minnow
Parts of what makes up this insult can be found in "Alls well that ends well" spoken by "HELENA":

This insult has been seen 2 times on this site. The first time was on Wednesday, September 25th, 2019His humble ambition, proud humility,
His jarring concord, and his discord dulcet,
His faith, his sweet disaster; with a world

A total of 10361 insults have been uniquely generated 10837 times, with a total of 125000 (or 50 to the third power) insults available in the system!