sad sandwich Share definition Flag A sandwich that is made using the two ends of a loaf of bread when everything else is gone Someone left the ends of the bread in the fridge, and didn't bother to buy more.. now I have to make a sad sandwich ='( sad sandwich by Jolin415 March 25, 2011 0 0 Get merch Get the sad sandwich mug. Buy Now — $32.95 See more merch