1 oz      Vodka
1 oz     Gin
1 oz     Light Rum
1/2 oz     151 Proof Rum
1 oz     Amaretto
1 oz     Triple Sec
3 splash(es)     Grapefruit Juice
3 splash(es)     Pineapple Juice
2 splash(es)     Grenadine

Pour gin, vodka, rums, amaretto, and triple sec into a tall glass with ice. Add the pineapple and grapefruit juices, then top with granadine.