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off the deep end

(usually in the phrase 'go off the deep end') Extremely angry.

ˈɔf ðə ˈdip ˈɛndCurrent207 viewsLast reviewed Jun 29, 2026+ Add a definition
🗺️ Regional & Other
2 definitions
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5 citations · last seen May 2026

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#1·Apr 27, 2026

(usually in the phrase 'go off the deep end') Extremely angry.

I told him that I'd broken the vase, and he went off the deep end.
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#2·Apr 27, 2026

(idiomatic, US) Crazy, erratic, or irrational.

See it in action
  • “people say her politics have always sucked, but she went off the deep end after covid started.”

  • “I mean Calla just completely went off the deep end in a well worn path like the symbionese liberation army”

  • “Oh Stats 4 Lefties has gone off the deep end, that’s nice”

It used to be a funny comic, but lately it has gone off the deep end.
Heard in the wild
  • “people say her politics have always sucked, but she went off the deep end after covid started.”

    — Bluesky· May 2026
  • “Trump GOES OFF THE DEEP END About His Mental Collapse www.youtube.com/watch?v=xyuF...”

    — Bluesky· May 2026
  • “I mean Calla just completely went off the deep end in a well worn path like the symbionese liberation army”

    — Bluesky· May 2026
  • “Oh Stats 4 Lefties has gone off the deep end, that’s nice”

    — Bluesky· May 2026
  • “Im not taking people who believe in like 1 or 2 conspiracies, but the tinfoil hat wearing, off the deep end, everything comes back to [insert people group of choice]. The ones who don’t think rationally but rush to pin problems on whatever group their web of theories points to.”

    — Bluesky· May 2026
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.

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