Rum Cooler
Rum Cooler: Rum, Lemon-lime soda and Lemon. Served in a collins glass. Garnish: lemon wedge.

The Spec
Method
Pour the rum and soda into a collins glass almost filled with ice cubes. Stir well and garnish with the lemon wedge.
Served in a collins glass. Garnish: lemon wedge.
Spec held as sourced — TheCocktailDB. The house never guesses a drink.
What to pour
Bottles in the cellar for each line of the Rum Cooler spec:
Drinks that share this spec
Shares Lemon and Rum with Funk and Soul. If your shelf makes Rum Cooler, it is already most of the way to these: