Definitions:

1. A woman who entertains bar patrons and encourages them to spend freely. NOUN
   • At the nightclub, the B-girl chatted with the patrons, encouraging them to order more drinks and enjoy the lively atmosphere.
2. A young woman who is involved with hip-hop culture, especially a breakdancer. NOUN
   • At the hip-hop festival, the B-girl crew stole the spotlight.

Synonyms:

• bar girl
• breaker