You shouldn't give someone clothes with stains.
Dave has his friend Frank over in his backyard for a bbq when Frank slips and falls in the pool getting soaked.
Dave wants to find Frank some dry clothes.
Dave goes upstairs and finds some clothes from his closet that he brings down to Frank.
Dave goes upstairs and finds some dirty clothes from his hamper that he brings down to Frank.
Frank is delighted that his friend is helping him out and relieved to be back in dry clothes.
Frank is disgusted that his friend is giving him his unwashed, used, dirty clothes to wear.