Luau Punch~ 1 (46 fluid ounce can) pineapple juice, 1 (6 ounce) can frozen orange juice concentrate, thawed, 2 liters lemon lime soda, In an empty gallon milk jug or pitcher, pour pineapple juice and orange juice concentrate. Shake to mix and pour in the lemon-lime soda. You may need to let the fizz settle and then return to pouring. This will fill up the gallon. Freeze overnight. Let the punch start to thaw 2 hours before serving. Serve slushy.