When I lived in Spain one of my favorite afternoon treats was a glass of liquor called anise. It's a warming liquor that they regularly drink in southern Spain during the winter to warm the body. The liquid is sipped from a shot glass or poured over 1-2 ice cubes and served in a small brandy glass. It's milky looking with a translucent blue sheen. If you want to try this happy hour liquor out, I recommend purchasing a bottle of Marie Brizzard Anise.
For those of you that want to know more: Anise is a flowering plant native to the eastern Mediterranean region and southwest Asia. It's the dominant ingredient in absinthe, is used in root beer, and has the flavor of black licorice. It has also been used as a breath sweetener, a digestive aid and is widely employed for its intense and pleasing aroma in the production of liqueurs, just like the one I'm suggesting for today's happy hour.