6 oz. Lemonade (Frozen) - (more)
6 oz. Orange Juice (Frozen) - (more)
6 oz. Pineapple Juice (Frozen) - (more)
2 cup(s) Whiskey - (more)
1 bottle(s) 7-Up - (more)
Put the ingredients into a container in the freezer (stir occasionally while freezing). To serve: Put 2/3 slush to 1/3 7-Up in collins glasses or the same ratio in a punch bowl.