struwwelpeter, n.All

Struwwelpeter (n.) owes ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠its popularity to understanding children's complexes: it softens castration into cutting off the thumbs of a boy who will not stop sucking them.