A Gen Z creator has gone viral for running a “millennial bootcamp,” exposing the dead giveaways that betray your age on social media. From fonts that “scream millennial,” to killing off boomerangs and background music on Insta stories, no one is safe. She even rewrites the rulebook on slang — slay is now sarcastic, “ate” means you’re hot, and if you’re not having a “kiki,” are you even living?

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