knock (someone) down with a feather

(redirected from could knock me down with a feather)

knock (someone) down with a feather

To shock, confuse, or astonish someone to a point of complete bewilderment; to throw someone for a loop. More often phrased as "you could have knocked me down with a feather," expressing great bewilderment or surprise. It really knocked me down with a feather to hear that my ex-wife had already remarried. 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: down, feather, knock
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

knock down with a feather

see under knock for a loop.
See also: down, feather, knock
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

knock (someone) down with a feather, to

To overcome with surprise. This hyperbole dates from the early nineteenth century. An early appearance in print is in William Cobbett’s Rural Rides (1821): “You might have knocked me down with a feather.” Today it is more often used with the conditional could (instead of might).
See also: down, knock, to
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer
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References in periodicals archive ?
WELL, you could knock me down with a feather. The sheer brassnecked cynicism of it left me gobsmacked.
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