1 (12 fluid ounce) can beer
1 (1.5 fluid ounce) jigger distilled white vinegar
1 1/2 fluid ounces rum
1 cup water
1 (8 ounce) can sliced pineapple, drained
1 pint cream-style frozen whipped topping, thawed
Combine beer, vinegar, rum and water in a blender or food processor. Process until beer mixture is smooth.
Sprinkle pineapple with whipped topping, then blend. Serve over chicken or rice.