in a weak moment

in a weak moment

During a moment in which one fails to have the discipline to act according to one's principles or better judgment and instead does something regrettable. I admit that, in a weak moment, I accepted a bribe to allow development to proceed without proper safety measures in place. I'm so sorry I cheated on you. I gave in to my base desires in a weak moment, and I'm ashamed of what I did. Our nicotine lozenges help you control your cravings in weak moments.
See also: moment, weak
Farlex Dictionary of Idioms.

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.
See also: weak
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • in a moment of weakness
  • weak moment, in a
  • moment of weakness
  • weak moment
  • a weak moment
  • be remembered as (something)
  • be remembered as/for something
  • be replaced by (someone or something)
  • be replaced with (someone or something)
  • (one's) old man