Girls, what does it mean when a girl wants to fluff my hair?

Lg113
I already know how weird this sounds BELIEVE ME but here I go. I am a 15 year old boy with hair that's like really soft, straight, shiny, thick and kinda poofy at top, according to a few girls at least. 2 girls came up to me in school and one said "I love your hair! Can I feel it? Can I just fluff your hair?" I didn't let her but she still tries to touch it. What did she mean by "fluff my hair"? I don't get it. And what does it mean when girls want to play with my hair?
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Oh and, as a poll like thing, what do you think of my hair for a guy? It goes a bit past my eyebrows
Girls, what does it mean when a girl wants to fluff my hair?
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