lie like a rug Share definition Flag To lie (tell a falsehood); to lie through one's teeth. A pun on lying down, as a rug does. "Hide the cookies under the crib and lie like a rug," Binky whispered to Charlie as they heard their parents returning home. lie like a rug by knightshade May 16, 2006 0 0 Get merch Get the lie like a rug mug. Buy Now β $32.95 See more merch