In a large pitcher, combine the white and dark rums, pineapple juice, orange juice, lime juice, nutmeg, cinnamon, allspice, and sugar (optional). Stir until the sugar has dissolved.
Fill glasses with ice cubes and pour the rum punch over them.
Garnish with pineapple and orange slices, if desired.
Interesting Facts
Rum Punch has been a staple in Caribbean culture for centuries.
Most Caribbean Rum Punch recipes contain five ingredients: rum, citrus, sugar, water, and spices.
The origins of the name "Rum Punch" are unclear, but some think it is a reference to the "punch" of flavor in the drink.