Over the weekend, the Miami Heat dropped game three to the Boston Celtics and during post game interviews, Lebron James and Dwayne Wade were at the podium answering questions.
This is where it gets a little muddled, Wade is asked a question in regards to the play where Rajon Rondo gets injured.
It appears that Lebron mumbles something into the microphone which some fans have interpreted as, "That's Retarded":
(Courtesy of Sports Newser)