An 82-year-old granny has sparked rapturous laughter after indulging the cheeky little girl inside of her and playing a game of 'knock-a-door run'. <br /> <br />The giggling grandma, encouraged by two onlookers, runs up to the door before hammering the knocker. <br /> <br />In scenes reminiscent of an OAP Olympics she sprints up the road. Then, seemingly startled, she freezes before being told to run away by the pair who can't contain their laughter. <br /> <br />A mischievous smile then spreads across her face as she flees the scene. <br /> <br />It's probably the most adorable thing we've ever seen.
