Thou... Vain Rump-fed Pignut
Parts of what makes up this insult can be found in "Alls well that ends well" spoken by "KING":

This insult has been seen 1 time on this site. This was on Saturday, December 11th, 2021Shall tax my fears of little vanity,
Having vainly fear'd too little. Away with him!
We'll sift this matter further.

A total of 10631 insults have been uniquely generated 11133 times, with a total of 125000 (or 50 to the third power) insults available in the system!