1 oz vodka
1/4 oz grenadine syrup
1 oz gin
1 oz light rum
1/2 oz Bacardi 151 rum
1 oz amaretto almond liqueur
1 oz triple sec
grapefruit juice
pineapple juice

Fill 3/4 of the glass with ice, then add the ingredients (not juices) in the order listed above. Top off the remaining space with the juices (equal parts).