Boston sausage Share definition Flag A penis that has a curve in it like a banana, weather it is curved to the left ,right or strait up. Did you see that? That guy has the worst case of Boston sausage I've ever seen. Boston sausage by Moper69 December 16, 2016 0 0 Get merch Get the Boston sausage mug. Buy Now — $32.95 See more merch