2 (6 oz.) cans frozen lemonade
2 (6 oz.) cans frozen limeade
1 pt. vodka
2 qts. half and half
1 pt. lemon sherbet
1 pt. lime sherbet
2 trays ice cubes

Combine first 3 ingredients and allow to stand about an hour. Add the last 4 ingredients just before serving. (May be made without vodka.)