You've heard Rocko's "U.O.E.N.O." on B106, or you've seen the hashtag on Twitter and Facebook, but what does it mean?

#uoeno is an onomatopoeia, (a word that sounds like the sound that it describes when you say it) for the phrase “you don’t even know.” Say it out loud.  UOENO = “You don’t even know.”  Kind of like the opposite when Britney Spears released "If U Seek Amy" back in 2008.  Get it?

So now you know.

Check out the "U.O.E.N.O." remix...with Usher, Future, Rick Ross, A$AP Rocky, Wiz Khalifa and 2 Chainz

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