You continue to browse the various costumes, discarding all sorts off Furry, monster and super hero ones until you find something that just leaves you perplexed. An ordinary diaper, made out of sturdy material , meant to be reused, just sitting on a hanger hidden all the other costumes. You grab it, curiously and take it into the dressing room. You strip off your pants and underwear, and proceed to slide on the white cotton garment onto your bare ass. You sit there and just stare at yourself in the mirror, feeling dumb. Suddenly you feel a strange sensation in your ass. Your asshole begins to expand. You begin to become concerned but then it happens, hot steamy shit just falls out your asshole filling your it. You can't stop either as the sloppy wet shit just slowly drips out onto the floor, filling your shoes, stinking up the small cubicle room.