pull the plug

/P UH1 L DH AH0 P L AH0 G/
verb
  1. 1

    To unplug or cut power

    โ€œHe put an end to the loud music by pulling the plug.โ€

  2. 2

    To cease to support; to halt

    โ€œIt's a wonder the director didn't pull the plug on that project months ago.โ€

  3. 3

    To cease or turn off life support

  4. 4

    To cease from production or publication.

Source: https://en.wiktionary.org/wiki/pull%20the%20plug