2013 single by Rocko featuring Future and Rick Ross
"U.O.E.N.O." (verbal shorthand for You Don't Even Know as spoken with a regional dialect) is a song written and performed by American rapper Rocko featuring fellow American rappers Future and Rick Ross. It was released on March 5, 2013, as the lead single from the former's sixth mixtape Gift of Gab 2 (2013).[1] Produced by Childish Major, "U.O.E.N.O." peaked at number 20 on the US Billboard Hot 100 as well as number 87 on the year-end Billboard Hot 100.