When an older man calls you "kid", a way to flirt?

This older guy calls me "kid" sometimes. I'm not actually a child, I'm in my early 20s, but he's in his 40s. He does it in a joking way. He also flirts with me a lot and has made sexual jokes, etc. So is it just a way of older men flirting with younger women?
When an older man calls you "kid", a way to flirt?
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