Thou... Vain Unchin-snouted Canker-blossom
Parts of what makes up this insult can be found in "Measure for measure" spoken by "DUKE VINCENTIO":

This insult has been seen 1 time on this site. This was on Wednesday, September 11th, 2019But my kisses bring again, bring again;
Seals of love, but sealed in vain, sealed in vain.
Break off thy song, and haste thee quick away:

A total of 10308 insults have been uniquely generated 10778 times, with a total of 125000 (or 50 to the third power) insults available in the system!