1/2 fluid ounce rum
1/2 fluid ounce coconut-flavored rum
1/2 fluid ounce grenadine syrup
1 fluid ounce orange juice
1 fluid ounce pineapple juice
1 cup crushed ice

Combine regular rum, rum with coconut flavoring, grenadine, orange juice, pineapple juice and crushed ice in an electric blender. Blend until the drink's consistency is slushy.