What is hey stranger meaning from a girl?

Hey stranger is a phrase that a girl might use to greet someone who she hasn't seen in a while or who she hasn't been in touch with for a period of time. The phrase generally conveys a friendly tone, but it could also imply that the person hasn't been in touch for an extended period and the girl may be wondering why. It can also be a way of breaking the ice or starting a conversation with someone who she may have feelings for or is interested in. Ultimately, the meaning of "Hey stranger" can vary depending on the context and relationship between the individuals involved.