cinnamon ass Share definition Flag condition of the ass caused by eating spicy foods resulting in farts that are hot You ate some real spicy chili. Consequently your farts now burn your asshole. Now you have a case of cinnamon ass. cinnamon ass by mr94chevys10 November 21, 2010 0 0 Get merch Get the cinnamon ass mug. Buy Now — $32.95 See more merch