Top definition
Something really cool, Another word for bad ass.
The graphics on the game are Billy Bad!
That was the most Billy Bad show ever!
That was a Billy Bad song!
Or you could say for short:
The Playstation 3 is the Billiest!
The Playstation 3 is Billy!
The Playstation 3 is Billy Bad Ass!
by Steveoreno July 10, 2006
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