The Liquor Lab's Cosmonaut is a tequila-based cocktail that is perfect for any party or gathering. This refreshing drink is made with Jaja Blanco tequila and Lemon Juice. The Cosmonaut is a fun and easy way to enjoy tequila, and is sure to be a hit with your guests. The history of the Cosmonaut cocktail is relatively unknown. It is believed to have originated in the 1970s, during the height of the disco era. The name ""Cosmonaut"" likely comes from the fact that this cocktail is out-of-this-world delicious. Whether you're hosting a disco party or just looking for a unique tequila cocktail, the Liquor Lab's Cosmonaut is the perfect choice.