Thou... Saucy Shard-borne Malt-worm
Parts of what makes up this insult can be found in "Alls well that ends well" spoken by "LAFEU":

This insult has been seen 1 time on this site. This was on Friday, February 26th, 2021kernel out of a pomegranate; you are a vagabond and
no true traveller: you are more saucy with lords
and honourable personages than the commission of your

A total of 10662 insults have been uniquely generated 11166 times, with a total of 125000 (or 50 to the third power) insults available in the system!