1/5 oz of Dark rum
1/5 oz of Kahlua coffee liqueur (or coffee liqueur)
2/5 oz of Bailey's Irish Cream (or Irish Cream)
1/5 oz of amaretto almond liqueur (or almond liqueur)
Chill ingredients beforehand. Carefully layer the ingredients into a shot glass in order: Rum, Kahlua, Amaretto, Bailey's.