Ummm, this sounds delish? You had me at 'cocktail popsicle'. Check out these recipes from Diablo Magazine.

Tangerine Rum Popsicles
6 pops 2 oz. Bacardi Select Dark Rum 22 oz / 2 ¾ cup 8 to 10 Peeled Minneola Tangerines 1 oz. Juice of 1 Lime 1 oz. Raw Sugar Simple Syrup* Splash of Lemon-lime soda 8 Popsicle Sticks Into a blender, add peeled tangerines, lime juice, simple syrup and soda. Puree mixture into a liquid. Strain mixture into a measuring cup and add rum. Mix well and pour into Popsicle molds. Add Popsicle sticks and freeze for 8 hours.
Watermelon Rum Popsicles
6 Pops 2oz. Bacardi Watermelon Rum 24 oz / 3 cups Seedless Watermelon puree 1 oz. Simple Syrup* Peel fresh watermelon; add into a blender with simple syrup. Puree until mixture is smooth. Strain mixture into a measuring cup. Add Bacardi Watermelon Rum and pour mixture into Popsicle molds. Add Popsicle sticks and freeze for 8 hours.

Havana Mojito Popsicles
6 pops 2oz. Bacardi Light Rum 3 oz. Fresh Lime Juice 3 oz. Simple Syrup* 2½ cups Lemon lime soda (sprite or sierra mist) ] 12 Fresh mint leaves 3 cups Ice Cubes Combine all ingredients into blender with ice. Puree all ingredients until mixture is smooth and slushy. Pour slushy mixture into Popsicle molds. Add Popsicle sticks and freeze for 8 hours.

*Simple Syrup: ½ cup Sugar of choice ½ cup Water Bring water to a boil and remove from heat. Add sugar and whisk mixture until all sugar has dissolved. Mixture should be clear in color. Bring to room temperature.
via Oh Joy