WatchVIDEO: Slim Thug Ft Boston George & Beat King – Flex 4Eva (Official Video)adacreative1:58 pm 0 @SlimThugga @BostonGeorgeAMG @BeatKingKong #Flex4Eva – Slim Thug hooks up with Boston George & Beat King at the 2013 “97.9 The Box ‘Los Magnificos’ Car Show”...