Beat egg whites to a stiff froth. Separately beat egg yolks until light in color, gradually add the powdered sugar and spices.
Fold yolk mixture into whites. Divide mixture between four 8 oz. mugs. Add 1/2 shot brandy and 1 shot rum to each mug, fill with hot beverage(coffee, can also try water or milk). Stir well and top with nutmeg.