pull the plug

verb5

1. •
   To unplug or cut power to a machine.

   • Shut off the machine and pull the plug.
   • He put an end to the loud music by pulling the plug.
2. •
   (informal) To cease to support; to halt.

   • It's a wonder the director didn't pull the plug on that project months ago.
3. •
   (informal) To cease production or publication.
4. •
   (informal) To turn off life support.
5. •
   (informal) To commit suicide.

   • Cathy was eleven when she pulled the plug / On twenty-six reds and a bottle of wine — 1981