A B Girl is gold digger who specifically target guys who possess items starting with the letter B. Specifically, these include "Broncos, Benzes, BMWs, bass, bangles, and "a pair of bars (chrome wire-spoke wheels) on a Cadillac Brougham".
These women were the gold diggers of the 1980's and mid-1990's
Man 2: Leave her alone! She ain't nothin but a B Girl!
Man 1: I hate all these B Girls around here!
Girl 1: Have you seen Lindsay lately?
Girl 2: NO! What happened to her?
Girl 1: She turned into a B Girl.
Girl 2: What a slut!
"OMG, Lilo was being such a b-girl today. Ew."
"OMG, Max was being such a b-girl today. Ew."