Das Tüpfelchen auf dem i (DOOS TÜP-fel-chen owf dem ee) Literally “little dot on the i” From tüpfel (small dot or spot) + -chen (little-making ending) + auf dem i (on the i). The final flourish and the thing that makes a good dish (or day) just right. It's like “the cherry on top” or “the icing on the cake.” Homemade mayo in your salad? Das Tüpfelchen auf dem i.