Slush

4 C Water
6 C Sugar

Boil and let cool

5 Mashed Bananas
1 Qt Pineapple Juice
1 Can Frozen Lemonade
1 Can Frozen Orange Juice
1 8 oz Package Frozen Raspberries

Mix all together and freeze. 
Serve with 2-3 liters of 7 Up/Sprite

So.. the water takes a few hours to cool, so I sometimes do it the night before and then mix everything up the next day. Then I put in the freezer for at least 24 hours, but 2 days is even better.