Mud-Marlin Share definition Flag When a white male is romantically involved with a black female. Hey bro, can you believe Sam is s mud-marlin!? What!? No way, I thought he was into snow bunnies!?y Mud-Marlin by Don Heffa May 4, 2013 0 0 Get merch Get the Mud-Marlin mug. Buy Now — $32.95 See more merch