Christmas Cocktail: Wonderland Eggnog via Tipsy Bartender

An awesome Christmas Cocktail with an INSANE amount of Tequila.

Recipe
4 egg yolks
1/3 cup sugar
1 pint milk
1 cup of heavy whipping cream
4 oz. (120 ml.) tequila
2 tsp. vanilla extract
1 tbsp. nutmeg
4 egg whites
2 tbsp. sugar
Dash cinnamon
Dash nutmeg