1. means like you: calling you a girl is to spoil you and want to develop a relationship with you.

2. It means to love you: I call you a girl if I love you, which means to protect and take care of you.

3. The representative wants to pursue you: Shantou is a popular online language with a greasy and confident language style.

In a word, uncle calls you a girl, which shows that he is pursuing you in a greasy and confident way.