Girls, Girl doesn't want to call and says "call someone else💀"?

When I was studying at school, this girl came and sat next to me. Then she asked me to help her with something on her laptop so I did but in the mean time she was very talkative and asked for my name etc... so we had a nice convo with smiles, a lot of eye contact and i broke the physical contact with a fist bump that was fitting in the convo. She gave me her insta then couple hours later she tells me that she is leaving and gave me a fistbump. After that we texted on instagram. The next day when I saw her, she broke out a huge smile when she saw me looking at her. After school I wanted to call her but she told me "go and call someone else 💀". What does this mean?

Girls, Girl doesn't want to call and says "call someone else💀"?
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