Skirt Steak Share definition Flag Extra beefy vaginas. With a side of au jus. So after we got back from the bar I pulled down her panties and guess what plopped out.. A fuckin' skirt steak! Skirt Steak by CoRPSx March 15, 2011 0 0 Get merch Get the Skirt Steak mug. Buy Now — $32.95 See more merch