socks

[Cohen, Gerald Leonard]

Looks like a blend: "knock them back on their heels" and "knock their socks off".

Gerald Cohen
________________________________________
 Victor Steinbok [aardvark66 at GMAIL.COM] wrote, Thursday, October 18, 2012 12:33 PM:

Is "knock them back on their socks" (as opposed to "heels") a normal
expression? I flagged it in a public radio interview with a Naval
Academy professor who is advocating elimination of the military academies.

     VS-)

------------------------------------------------------------
The American Dialect Society - http://www.americandialect.org