Is high-five flirty or friendzoned?

I'm interested in this coworker of mine. We just met a week ago and I'm so dead into him and I don't even know why. Anyway he would always give me high-five like always. He gives me high-fives like 6 times a day! Either for no reason at all or a "Good job" kind of high-five. A few times he would put his hand super high (he's tall I'm short) and ask me to reach it to give him a high five. Does he like me at least or am I instant friendzoned?
Is high-five flirty or friendzoned?
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