12 oz. can frozen lemonade
1 lg. can pineapple juice
2 c. pina colada mix
12 oz. vodka
Swiss cream soda

Mix all together well in a covered container at least 24 hours ahead, stirring occasionally. To serve, fill glasses 1/2 to 3/4 full of slush. Pour cream soda over and mix. Serve with a spoon or straw.