1 oz of Vodka
1 dash of Lemon Juice
1 oz of Tonic water
1 oz of Midori melon liqueur (or watermelon liqueur)
Add vodka, melon liqueur, and lemon juice over ice in a cocktail shaker. Shake 3-4 times, then add tonic water or club soda and shake once. Strain into cocktail glass or pour over ice into a highball glass.