Thou... Saucy Fat-kidneyed Horn-beast
Parts of what makes up this insult can be found in "Romeo and Juliet" spoken by "Nurse":

This insult has been seen 1 time on this site. This was on Tuesday, November 27th, 2018Exeunt MERCUTIO and BENVOLIO
Marry, farewell! I pray you, sir, what saucy
merchant was this, that was so full of his ropery?

A total of 10777 insults have been uniquely generated 11291 times, with a total of 125000 (or 50 to the third power) insults available in the system!