New Laxative Ad Features Swirly Poop People Trapped in a Butt DungeonLindy West7/30/14 2:50pm9924EditInvite manuallyPromoteDismissUndismissHideGo to permalinkThe ad world is rumbling about a new print campaign for Dulcolax, in which your constipated colon is represented by a round brown dungeon, and your turds as chocolate soft-serve prisoners. The tagline: "Only you can set them free."