You just defeated another Pokémon Trainer in battle with your beloved Sandslash, who you then feed a couple of Deluxe Poké Puffs, despite her belly already being so stuffed that, if she laid on her back, you could use her as a bed - "Mmmh...~" - Your Sandslash, Sandy, moaned quietly as she ate yet more of the sweets that you're feeding her, her tight, noisy, lurching stomach stretching a few inches bigger as she ate.