Idioms and Phrases with weak moment, in a
weak moment, in a
At a time of weakness or little resistance, as in In a weak moment I agreed to let our son rent a truck.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.