Thou... Froward Beef-witted Strumpet
Parts of what makes up this insult can be found in "Cymbeline" spoken by "IMOGEN":

This insult has been seen 2 times on this site. The first time was on Sunday, July 16th, 2017[Reads] 'Thy mistress, Pisanio, hath played the
strumpet in my bed; the testimonies whereof lie
bleeding in me. I speak not out of weak surmises,

A total of 10263 insults have been uniquely generated 10728 times, with a total of 125000 (or 50 to the third power) insults available in the system!