Holla-back girl

From Rap Dictionary

noun

Holla back girl

1.A girl who responds in the affirmative to booty calls.

2. A girl who responds to males trying to get with her by spitting lines. A few times I've been around that track / So it's not just gonna happen like that / 'Cause I ain't no holla back girl / I ain't no holla back girl -- Gwen Stefani (Holla Back Girl) [1]