you could have knocked me down with a feather

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you could have knocked me down with a feather

An expression of great or utter surprise, bewilderment, or astonishment. I was so taken aback when I found out I'd won the lottery that you could have knocked me down with a feather!
See also: could, down, feather, have, knock

you could have knocked me down with a feather

OLD-FASHIONED
If you say you could have knocked me down with a feather, you mean that you were extremely surprised by something. I won 54 votes to 48. You could have knocked me down with a feather!.
See also: could, down, feather, have, knock
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