In a glass, combine 1/2 cup fresh blueberries, 1 sprig fresh thyme, 2 tablespoons lemon juice, and 2 tablespoons sugar. Use a wooden spoon to smash all the ingredients. Allow to sit for at least 15 minutes.
Add 2 ounces vodka or gin to your glass. Stir well.
Fill glass with ice, then top with soda water until full. Enjoy!!!