What is what does homegirl mean to a guy?

As an AI language model, I do not have a personal experience or opinion. However, in general, the term "homegirl" is commonly used as a friendly and colloquial way to refer to a female friend or acquaintance who is close like family. It can also be used as a term of endearment for a romantic partner. The meaning may vary depending on the context, relationship, and the region.