Thou... Roguish Plume-plucked Vassal
Parts of what makes up this insult can be found in "Richard II" spoken by "KING RICHARD II":

This insult has been seen 2 times on this site. The first time was on Wednesday, December 5th, 2018Your children yet unborn and unbegot,
That lift your vassal hands against my head
And threat the glory of my precious crown.

A total of 10610 insults have been uniquely generated 11109 times, with a total of 125000 (or 50 to the third power) insults available in the system!