Skinny Vodkarita by Rebar, It has about 100 calories, a fraction of what you'd find in the typical citrus-sour treat. 1 ounce vodka 1 lime, juiced Splash fresh orange juice 2 ounces calorie-free citrus soda 2 ounces club soda Lime wedge (garnish) Mix vodka and juices in a cocktail shaker with 1 cup of ice. Strain into a tall glass. Finish with sodas. Garnish with lime.