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shag monster

A shag monster is British slang for someone with an outsized and enthusiastic appetite for casual sex — the person in the group whose romantic life resembles a particularly busy revolving door.

ˈʃæɡ ˈmɑnstɚ221 viewsLast reviewed Jun 29, 2026+ Add a definition
🇬🇧 British & Irish slang
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UK
#1·Apr 28, 2026UK

A shag monster is British slang for someone with an outsized and enthusiastic appetite for casual sex — the person in the group whose romantic life resembles a particularly busy revolving door. It's more comedic than genuinely judgmental in most usages, often deployed with exasperated affection toward a friend who can't seem to stay out of someone else's bed. The 'monster' element amps up the hyperbole, making it sound less like criticism and more like a backhanded compliment.

Ever since his divorce, Dave had apparently transformed into a complete shag monster according to everyone at the office.
Origin: Editorial expansion authored on Slangora (model-assisted, hedged).
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UK
#2·Apr 27, 2026UK

(UK, slang) A sexually promiscuous person.

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🇬🇧About British & Irish slang slang

UK and Irish slang — Cockney, Scouse, Geordie, Yorkshire, Glaswegian, Brummie, Welsh, West Country, plus Irish English. Centuries of regional dialects feeding into modern British and Irish street talk.

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