Someone who believes they are famous due to having high numbers of Instagram followers.
Jared: "Yeah, so my last photo got over 60,000 likes. Jayzombie & I are, like, totally best friends. People just seem to totally appreciate my Art. It just speaks to them, i guess..."

Customer: "Just give me my damn latte, you pathetic instalebrity."
by John Superman November 28, 2013
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n. An unknown person who achieves rapid celebrity status.
Sarah Palin was an unknown Alaskan politician until she became an instalebrity after being picked to become McCain's running mate.
by firemoose October 20, 2008
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