A boolean; if true, the user's robortender has drunk that drink after execution. If false, it has not. This ALSO returns false if the user has not passed the function a robortender-consumable drink. If the user does not already have the beverage in their inventory, this function will not purchase the requested for you.
A robortender-consumable drink of choice (i.e. Drive-By Shooting, Single Entendre, etc)