Chris Rock’s brother has joked about Will Smith’s behaviour at the Oscars. The 53-year-old actor smacked Chris after he made a joke about his wife Jada Pinkett Smith, and Tony Rock has now joked about the dramatic incident at his own comedy show. In a video clip obtained by The Shade Room, Tony – one of Chris’ six siblings – quipped: “If you think you gonna walk up on this stage, this ain’t the mother******* Oscars. “And if you walk your a** up here, you ain’t nominated for s*** but these mother******* hands. Oh, we going to pop the rest of the year. Every time you see me do a show, pop!” Tony…