What is Hallaback Girl?
1.
A girl who yells in response to being yelled at instead of responding with silence or violence.
"Don't be afraid of her, she's just a hallaback girl"
2.
A girl who is presented an opportunity to either accept or reject a booty call. Upon accepting, she does in fact lose her right to say, "I aint no hallaback girl."
Mike: "I called her at bar time to come over..."
Richard: "Did she come over?"
Mike: "You know she did. She's a hallaback girl."
See
3.
when a guy tells a girl "Halla back" and she does just that, then she's a hallaback girl.
"I ain't no hallaback girl."