charles barkley Share definition Flag Slag for a sexual rebound, as a ode to Charles Barkley aka The Round Mound of Rebound. "Are you still seeing Samantha?" "No way man, she was just a Charles Barkley." charles barkley by poham December 22, 2015 0 0 Get merch Get the charles barkley mug. Buy Now — $32.95 See more merch