First off, it's not a cocktail that costs a billion dollars (although I'm sure there's one out there, somewhere...) but instead a cocktail designed for a billionaire. That would be an intimidating job I think, to create a drink especially for a specific, very rich, person. Calvin Ayre, billionaire founder of Bodog.com is that person, and The Liquid Muse is the creator of his signature drink, Billion-Ayre's Bet.

Based on his choice spirit Bombay Sapphire, the drink also includes grapefruit juice, Campari, lime, and champagne. See the complete recipe here, and think: what would your signature cocktail be?