pull the pin

pull the pin

To leave a job, especially by retiring. The wording of the phrase alludes to train cars, which can be separated by pulling a pin from the coupler connecting them. Primarily heard in US. You're 70 years old, Pop—it's time to pull the pin and see what retirement is like.
See also: pin, pull
Farlex Dictionary of Idioms.
See also:
  • be straining at the leash
  • desert a sinking ship
  • deserting/leaving a sinking ship
  • be pushing up (the) daisies
  • be pushing up daisies
  • be pushing up the daisies
  • answer the bell
  • Abraham
  • Abraham's bosom
  • be as safe as houses