Lower the boom

Meaning

Deliver a severe reprimand or punishment.

Usage

Used when authority figures enforce rules visibly.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Naval booms were lowered to block passages with force.

Naval vocabulary entered general language in the 20th century.