Thou... Paunchy Bat-fowling Harpy
Parts of what makes up this insult can be found in "The Tempest" spoken by "SEBASTIAN":

This insult has been seen 2 times on this site. The first time was on Monday, December 16th, 2019Enter ARIEL, invisible, playing solemn music
We would so, and then go a bat-fowling.
Nay, good my lord, be not angry.

A total of 10430 insults have been uniquely generated 10908 times, with a total of 125000 (or 50 to the third power) insults available in the system!