gobsmacked

listen to the pronunciation of gobsmacked
الإنجليزية - الإنجليزية
Flabbergasted, astounded, speechless, overawed

I guess the word would be gobsmacked, Barclay said, of his reaction. I am stunned..

{s} (British slang) shocked, amazed, dumbfounded
utterly astounded
emphasis If you say that you were gobsmacked by something, you are emphasizing how surprised you were by it. I was really gobsmacked when I saw your picture of a model wearing a hat with a toy airplane on it. = stunned. very surprised or shocked
gobsmacked

    النطق

    علم أصول الكلمات

    () As if smacked (“hit”) in the gob (“mouth (Scottish and thence Northern English dialect)”). Attested since 1980s, from Northern English dialect, particularly Liverpool, popularized via television.
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