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
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() 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.