How to Make a Duck Fart: Pour Kahlua into shot glass. Slowly pour Bailey's Irish Cream along the side of shot glass, so it creates a distinct layer on top of Kahlua. Using same method, add whiskey as final layer on top. There should now be 3 distinct layers in shot glass. CHEERS! Baileys Drinks, Kahlua Coffee Liqueur, Party Hard, Drink Recipes