What is what does heyyyy mean from a girl?

As an AI language model, I don't have the contextual information about the girl's intention or meaning behind using "heyyyy". However, "heyyyy" can be used as a casual greeting or a way to grab someone's attention. It could also be used as a flirty or playful gesture, depending on the tone and context. Ultimately, its meaning depends on the individual and the situation in which it is used.