Thou... Froward Tardy-gaited Barnacle
Parts of what makes up this insult can be found in "Taming of the Shrew" spoken by "HORTENSIO":

This insult has been seen 2 times on this site. The first time was on Tuesday, June 20th, 2017Is that she is intolerable curst
And shrewd and froward, so beyond all measure
That, were my state far worser than it is,

A total of 10429 insults have been uniquely generated 10907 times, with a total of 125000 (or 50 to the third power) insults available in the system!