Definitions for b-girlˈbiˌgɜrl
Random House Webster's College Dictionary
a woman employed by a bar to entertain customers and induce them to buy drinks.
Origin of B-girl:
B-girl, bar girl(noun)
a woman employed by a bar to act as a companion to men customers
A woman employed to talk to customers in a bar and encourage them to buy drinks.
A female person who performs breakdance; a breaker
Origin: Probably abbreviated from bar girl.