B-girl definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a woman employed by a bar to entice men into buying drinks freely
Origin: short for bar girl
B-girl definition by American Heritage Dictionary
A woman employed by a bar to encourage customers to spend money freely.
Origin: b(ar)1 + girl.