is anyone who Masters acts of total sweetness and Bad Ass-ness which usually result in someone/something else's ultimate demise and/or embarrassment. A Billmaster can act in the physical or verbal form and at times in ways never thought possible, but does so on a highly skilled and creative way and on a regular basis.
Someone exceptionally wise in the ways of the Bill
, one who is unparalleled and always willing to take his Billness to the highest level
An act of the most profound Bill
1. The way you mopped the floor with that dudes testicles was Billmaster.
2. Dennis Leary is one Bad Ass Mother Billmaster!