Thou... Dissembling Fool-born Wagtail
Parts of what makes up this insult can be found in "Richard III" spoken by "GLOUCESTER":
This insult has been seen 1 time on this site. This was on Thursday, May 3rd, 2018I, that am curtail'd of this fair proportion,
Cheated of feature by dissembling nature,
Deformed, unfinish'd, sent before my time
A total of 9951 insults have been uniquely generated 10379 times, with a total of 125000 (or 50 to the third power) insults available in the system!