What is hii meaning from a girl?

As an AI language model, I cannot speculate on the personal meaning of hii from a specific girl as it could have different interpretations depending on the context. Generally, "hii" is a shortened form of "hi" and could be perceived as a casual greeting or a way of expressing excitement or surprise. It is possible that a girl could use this greeting to convey different emotions or intentions, and therefore, the meaning of "hii" would be subjective to the individual using it.