For the Honey Syrup:
In a small sauce-pan, heat the water to a simmer and add honey. Stir until dissolved and cool completely before using.
For the Cocktail:
In a Boston shaker, add Kold Draft ice, whiskey, lemon juice, Honey Syrup, and grapefruit. Shake vigorously for 15 to 20 seconds. Strain over Kold Draft ice in an Old-Fashioned glass.