The new evidence turned the whole case on its head.
turn on its head
idiomTo turn upside-down; to invert.
The sudden discovery of the hidden documents turned our entire project on its head, forcing us to start over.
The revolutionary scientific findings turned traditional theories on their head, challenging everything experts previously understood about the subject.
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bang one's head against a brick wall
To waste effort on a futile project.
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bang some heads together
Attempt to get results from a previously ineffectual or argumentative group, typically by coercion or force.
- 03
bash someone's head
To beat up someone violently.
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big head
An inflated ego, an exaggerated belief in one's own importance.
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bite someone's head off
To severely berate someone.
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blow someone's head off
To shoot someone in the head.
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Buggins's turn
A humorous, disparaging term for the appointment of a person by rotation or promotion, on the basis of length of service (it being that person's "turn") rather than merit or level of qualification.
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bury one's head in the sand
To deliberately ignore the reality of a situation; to pretend a problem does not exist.
Last updated April 17, 2026