Green’s Dictionary of Slang

(US black) a young woman.

1995		L. Stavsky et al. A2Z 8/1: bitty – female: Check out the fly bitty in that Jaguar.
2002		Eight Hand Reviews ‘Devinn Lane’s Succulent Blossom’ Adult Novelty Reviews 🌐 Sorry Devinn, although you are one very sexy bitty, I’d rather stroke myself with nothing but a hand full of spit watching you get back door’d than with this ‘Succulent Blossom’.
2003		Simon & Burns ‘Hot Shots’ Wire ser. 2 ep. 3 [TV script] I don’t bag no bities.
2014		C. Eble (ed.) UNC-CH Campus Sl. Spring 2014 2: BITTY — < bitch female: ‘Love ya, bitty!’ Less harsh than bitch.