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mental case

(UK, slang, somewhat, derogatory) An insane person; a nutcase.

ˈmɛntəl ˈkeɪsCurrent828 viewsLast reviewed Jun 29, 2026+ Add a definition
🇬🇧 British & Irish slang
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#1·Apr 27, 2026UK

(UK, slang, somewhat, derogatory) An insane person; a nutcase.

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  • “The heroin addicted, roadkill eating, brain worm housing mental case wants to end anti-depressants. With a child rapist in charge? We need or anti-depressants now more than ever.”

  • “Don't forget all the money spent on Trump's sick twisted need for revenge from prior elections. He refuses to move on and he will never move forward constantly looking back. He is a mental case. They will name a mental illness after him after he is gone.”

Heard in the wild
  • “The heroin addicted, roadkill eating, brain worm housing mental case wants to end anti-depressants. With a child rapist in charge? We need or anti-depressants now more than ever.”

    — Bluesky· May 2026
  • “Don't forget all the money spent on Trump's sick twisted need for revenge from prior elections. He refuses to move on and he will never move forward constantly looking back. He is a mental case. They will name a mental illness after him after he is gone.”

    — Bluesky· May 2026
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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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