Guys, Does flirting mean anything?

a guy has been flirting online with me daily. He flirts heavily though and calls me cute a lot. I'm just wondering does it really mean anything though? And he knows I like him because I told him... But if we flirt every day it's guaranteed I'll catch feelings for him.

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+1 y
he randomly joked ' are we in love with our friend?' who is a girl. We meaning him and me. I said she made me giddy and he said same. He said do we have to compete for her, in front of her in a group chat.
He's never flirted or expressed interest in her. He flirts with me constantly so it threw me off. I think he likes playing
Guys, Does flirting mean anything?
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