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"You live only once," the grammatically correct version of "YOLO," or "you only live once."

The phrase "you only live once" suggests that the only thing you'll ever do once is live, when in reality, Drake is trying to convey that life happens only once.
Sam: "Why aren't you graduating?"
Doug: "No clue, but hey, I'm gonna shotgun this beer. YOLO."
Sam: Ah, I think you mean Y'LOO. And nevermind, I gathered why you aren't graduating."
by donald.glover.lover March 01, 2012