Blue MotherFucker #2

1/2 oz vodka
1/2 oz gin
1/2 oz rum
1/2 oz tequila
1/2 oz Blue Curacao liqueur
1 1/2 oz sweet and sour mix
4 - 5 oz 7-Up soda

Shake all ingredients together in a cocktail shaker. Strain into a collins glass filled with ice cubes, and serve.