Invented by Gwen Stefani in her song "Hollaback girl" where she repeats she isnt a hollaback girl and clearly she means it.. she's the moneymaker.
"Fuck you! i aint no hollaback girl!!"
Derived from Cheerleading:
The captain of the cheerleading team leads the others:
Captain: "Give me a "B"
Given special meaning by Gwen Stefani's Hollaback Girl
"Git it yerself, I ain't yer hollaback girl"