Lay down the pipe Share definition Flag Sex. Used prominently by rappers trying to score and lay a little pipe. When they still could. Hey momma, no need to be up tight. I can lay down the pipe, making it more streamlined than Michael Phelps. Lay down the pipe by dark_art_heart April 22, 2018 0 0 Get merch Get the Lay down the pipe mug. Buy Now — $32.95 See more merch