knock out
American Heritage Dictionary of Idioms:
Top
knock out
1.
Also,
knock out cold. Render unconscious by a blow or some other means. For example, It was just a swinging door, but it knocked her out, or Just one of those sleeping pills can knock you out cold. [Late 1500s]
2.
Make tired, exhaust, as in That sightseeing tour knocked me out.
3.
Render useless or inoperative, as in The storm knocked out the power.
4.
See knock off, def. 2.
5.
See knock oneself out.
Post a question - any question - to the WikiAnswers community:
Copyrights:
American Heritage Dictionary of Idioms
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Company. All rights reserved.
Read more
Mentioned in
KO
(knock out)
Toga Rock, Vol. 2
(1991 Album by Various Artists)
Night Run
(1984 Album by Byron Berline)
Knock-Out Option
(finance term)
» More