Combine 1 pint ice cream, 3 cups ice, 1/3 cup vodka, 1/3 cup Kahlua, and 1/3 cup Nocello in a blender. Process on high until smooth, about 2 minutes. Pour into tall glasses and garnish each one with a sprinkle of cocoa powder. Repeat with the remaining ingredients.
Makes 8 to 10 servings