Idioms and Phrases with lay someone low
lay someone low
Overcome someone, as in He laid him low with one good punch, or The flu laid us low for two weeks. [1300s] Also see lie low.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.