To use this cup as a hand warmer when working outside or camping, heat water to near boiling and pour it, so you can warm up your hands by holding the cup.
Larger insulated Stanley cups can be used to keep popsicles or ice cream frozen. Slim freeze pops are the best option, since you'll be able to fit a handful.
Turn your cup into the ultimate sundae by adding a pint of ice cream and then using the Quencher tray to hold a slew of different toppings for you to enjoy.