• 1/2 oz vodka
    1/2 oz gin
    1/2 oz rum
    1/2 oz triple sec
    1/2 oz banana liqueur
    1/2 oz melon liqueur
    1 oz orange juice
    1 oz grapefruit juice
    1 oz pineapple juice
    1 splash grenadine syrup

Pour all ingredients into a cocktail shaker half-filled with ice cubes. Shake well, strain into a highball glass filled with ice cubes, and serve.