Skank plank Share definition Flag Kind of like the tramp stamp. But on a girls ribs.Tattoo down the side down the ribs. "Skank plank" Hey look, that girl not only has a tramp stamp, but also a skank plank. Skank plank by Sgas August 5, 2013 0 0 Get merch Get the Skank plank mug. Buy Now — $32.95 See more merch