1. Scoop out flesh of (small) watermelon.
2. Use immersion blender to liquefy fruit.
3. Strain seeds and pulp from juice.
4. Pour watermelon juice over (crushed) ice.
5. Add vodka, lime juice and simple syrup.
(We recommend sipping through a metal straw. Like copper mugs, everything tastes better through a metal straw. Seriously!)