People who don't know you, being obsessed with your every move on Instagram.
Boy: "Is that you friend?"
Girl: "Nah, that's an Instafan. They just follow me, but I never met them before."
by Chicaxo July 30, 2014
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that one person you don't really know that likes all your pics on Instagram
"I just posted a new pic on Insta. I'm still waiting for my instafan's like cause I kno I can always count on them."
by italianpotato November 2, 2015
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