look up any word, like cleveland steamer:
 
8.
A Japanese rockabilly guy or girl. Usually spotted dancing at the entrance to Yoyogi park in the Harajuku district of Tokyo.
Q: Where's that Elvis music coming from?

A: It's just a Billy dancing in front of the train station.
by jstewart October 05, 2005
18 52
 
9.
a cold beer
I wanna drink a cold billy
by m pizzle October 28, 2003
24 85