ENGLISH
REFERENCE

throw one's cap over the windmill

idiom
Meaning

To act in a bizarre, eccentric or immoral manner.


Origin

disputed origin

Probably a calque of French jeter son bonnet par-dessus les moulins . Widely reported as deriving from a passage in the novel Don Quixote in which the titular character throws his cap over a windmill that he has mistaken for a giant, as a challenge. However, no such passage exists in the book.

Examples
SIMPLE

He threw his cap over the windmill and quit his job suddenly.

CONTEXTUAL

After years of being sensible, she threw her cap over the windmill and moved to a remote island.

COMPLEX

The professor threw his cap over the windmill by abandoning his academic career to pursue a life as a traveling circus performer.

Anchors to
Related idioms8entries
  1. 01

    abound in one's own sense

    To follow one’s own inclinations and opinions.

  2. 02

    ace up one's sleeve

    A surprise advantage of which others are not aware.

  3. 03

    act one's age

    To behave in a manner appropriate to one's age.

  4. 04

    act one's age, not one's shoe size

    Synonym of act one's age (“to behave in a mature manner; to avoid being childish”).

  5. 05

    afraid of one's own shadow

    Exceptionally timid.

  6. 06

    air one's dirty laundry in public

    To reveal one's sordid secrets to the public.

  7. 07

    air one's dirty linen in public

    Synonym of air one's dirty laundry in public.

  8. 08

    albatross around one's neck

    A characteristic, possession, associate, or previous deed that hinders one's ability to succeed.

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