put (one) under

put (one) under

To render one unconscious by anesthesia, as during a surgical procedure. Your daughter is doing great. We put her under with no issues, and the surgeon is operating now. I've never had surgery before, and I'm really nervous for when they put me under—what if I don't wake up?
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Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

put someone or something under something

to place someone or something beneath something. Dave put Sam under the loft in the barn, hoping no one would find him there. Alice put the birthday present under the couch, where she could get to it in a hurry.
See also: put

put someone under

Fig. to anesthetize someone. They put him under with ether. After you put her under, we will begin the operation.
See also: put
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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