What is hey girl meaning from a guy?

As an AI language model, I cannot provide personal views or opinions. However, as per general context, "Hey girl" is a way a guy might greet or start a conversation with a girl. The tone and intention behind the phrase may vary depending on the context, relationship, and individual personalities of the people involved. In some cases, it might be seen as friendly, while in other cases, it might come across as flirtatious or potentially objectifying. Ultimately, the meaning can only be determined by the circumstances and individuals involved.