I always like Grog-based cocktails. They are usually have a little kick with a nice taste.
1 cup Boiling Water
2 oz Myers Dark Rum
1/4-1/2 oz Lime Juice
1 tbs Brown Sugar
Mix Myers Dark Rum, Lime Juice, and Brown Sugar. Then pour in boiling hot water. Garnish with cinnamon Stick and Orange Peel.