Thou... Mammering Clay-brained Vassal
Parts of what makes up this insult can be found in "Henry IV" spoken by "PRINCE HENRY":

This insult has been seen 2 times on this site. The first time was on Tuesday, December 6th, 2022gross as a mountain, open, palpable. Why, thou
clay-brained guts, thou knotty-pated fool, thou
whoreson, obscene, grease tallow-catch,--

A total of 10432 insults have been uniquely generated 10911 times, with a total of 125000 (or 50 to the third power) insults available in the system!