Does your gas station have styrofoam cups for their fountain drinks? If so, let's 5 finger discount a redbull, or other stuff.

Grab your red bull, or other stuff.

Grab the largest size styrofoam cup.

(Make sure its not see though ya dingus)

Place redbull can, or other stuff, inside styrofoam cup.

Cover with ice.

Pay for your "cup of ice" at register.

Possibly get it free by saying it's for your dog in the car, even though you don't have one.