Bobbing for Liquor
Purchase some single-serving size bottles of liquor and place them into a bucket filled with water, just like if you were bobbing for apples. When someone pulls the small bottle out of the water with their teeth, they have to drink it. If you want to stick with apples, carve a number into the side of the fruits before putting them into the water. When someone pulls out the apple, they have to take that number of shots or sips of their drink.