Jonathan Smith , also known as Lil Jon (born January 17 1971) is an American rapper, record producer and DJ. He is a former member of the group Lil Jon & the East Side Boyz. He formed the group in 1997. Lil Jon is known for shouting the words: "OK!", "What?!", and "Yeah!". His main hit was "Turn Down for What" featuring on the track by DJ Snake. He writes a blog on NHL.com about the Atlanta Thrashers. He is a fan of the team.