slip (one's) memory

slip (one's) memory

To be forgotten, especially of an obligation. I'm sorry I didn't call you back sooner, it totally slipped my memory. I'm worried about mom—things keep slipping her memory lately.
See also: memory, slip
Farlex Dictionary of Idioms.
See also:
  • be pressed for time
  • a run on (something)
  • be pushed for time
  • a rush on (something)
  • be at a disadvantage
  • at a disadvantage
  • address comments or remarks to
  • address (one's) comments to (someone or something)
  • address (one's) remarks to (someone or something)
  • be in it for