throw the book at
Meaning
To punish or charge someone as severely as possible, using the maximum penalties or legal charges available.
Origin
From the idea of using “the book” (law book/rulebook) to apply every rule or charge available against someone—i.e., hitting them with the full weight of the law.
Notes
Often used in legal/disciplinary contexts to mean no leniency—apply every possible charge/penalty. Strong, sometimes hyperbolic, and typically directed at authorities (prosecutors, judges, bosses).
Examples
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Because he was a repeat offender, the judge threw the book at him.
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The regulators threw the book at the firm for suspected insider trading.
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After the brawl on the field, the league threw the book at him.
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She missed the deadline twice, so her boss threw the book at her.
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It’s his first offense—don’t throw the book at him.
Grammar & Usage Notes
Usually appears as “throw the book at + person” (e.g., throw the book at him). The object can be a person/group. Tense/auxiliaries vary (threw/will throw). Often implies authorities are the subject.
Synonyms
- come down hard on
- throw the full weight of the law at
- book (someone) (informal, related)
- crack down on
Antonyms
- go easy on
- let someone off
- give someone a slap on the wrist