Slice the fresh ginger root into thin pieces and grate it finely to release more flavor.
Add the watermelon chunks to the blender, ensuring they are evenly distributed.
Drop the grated ginger into the blender with the watermelon, allowing the spicy scent to start filling the air.
Optional: pour in the honey to sweeten the mixture, balancing the tartness with a touch of sweetness.
Secure the lid onto the blender and blend on high until the mixture is completely smooth and frosty, about 30-45 seconds.
Pour the chilled watermelon slush into glasses, and see the vibrant pink color glow through the glass.
Serve immediately with a straw, and enjoy the icy, spicy-sweet burst of flavor.