A great, reptilian winged horse, just like the ones pulling the Hogwarts carriages, with leathery black wings spread wide like a pterodactyl’s, rose up out of the trees like a grotesque, giant bird.
Malfoy made a grotesque face, his mouth sagging open and his eyes rolling.
It was shrinking very fast, growing balder and balder, the black hair and stubble retracting into his skull; his cheeks becoming smooth, his skull round and covered with a peachlike fuzz… A baby’s head now sat grotesquely on top of the thick, muscled neck of the Death Eater as he struggled to get up again; but even as they watched, their mouths open, the head began to swell to its previous proportions again; thick black hair was sprouting from the pate and chin… ’It’s Time,’ said…
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The disease causes grotesque deformity.
It is the result of a grotesque system that distorts good intentions into evil actions.