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jug-heavy

Old American criminal slang for a safecracker — specifically someone who specializes in breaking into safes ('jugs' in heist vernacular).

ˈd͡ʒʌvəd͡ʒi51 viewsLast reviewed Jun 29, 2026+ Add a definition
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#1·Apr 28, 2026

Old American criminal slang for a safecracker — specifically someone who specializes in breaking into safes ('jugs' in heist vernacular). 'Jug-heavy' belongs to the colorful vocabulary of mid-20th century American crime culture, where safes were called jugs and the specialists who cracked them were the heavies. The term appears in pulp fiction, hard-boiled detective novels, and occasionally in accounts of real organized crime from the Prohibition and post-war eras.

The crew needed a jug-heavy for the bank job, and word on the street was there was only one man who could do it in under ten minutes.
Origin: Criminal slang: 'jug' is underworld argot for a safe or bank vault; 'heavy' denotes a specialist or key player in a criminal operation. Editorial expansion authored on Slangora (model-assisted, hedged).
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#2·Apr 27, 2026

(US, slang) A safecracker.

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