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gobsmacker

British and Australian slang for something so stunning, shocking, or jaw-dropping that it figuratively smacks you in the gob (mouth).

ˈɡɑbˌsmeɪkɚ182 viewsLast reviewed Jun 29, 2026+ Add a definition
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#1·Apr 28, 2026

British and Australian slang for something so stunning, shocking, or jaw-dropping that it figuratively smacks you in the gob (mouth). A gobsmacker is the story that leaves the group chat speechless, the reveal that nobody saw coming, the piece of news that makes your jaw physically drop. It's the noun form of 'gobsmacking,' and it carries all that same energy of pure, undiluted astonishment. Used for both positive and negative shocks, it's a word that does exactly what it says on the tin.

The final plot twist was a total gobsmacker — half the cinema audience actually gasped out loud.
Origin: From 'gobsmacked' (British/Australian slang for astonished, from 'gob' meaning mouth + 'smacked') with the nominalising suffix '-er.' Editorial expansion authored on Slangora.
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#2·Apr 27, 2026

(slang) Something gobsmacking or astounding.

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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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