Top definition
1. A white guy who uses Instagram constantly.

2. A graham cracker iced to look like the Instagram logo.
Girl: Do you see Ryan? He's so hot, but he's such an Insta-Graham Cracker!
Guy: More like Insta-Whore. He just does it to score with Jessica.
by MyUsernameIsAlreadyInUse November 25, 2014
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