spread like wildfire

/S P R EH1 D L AY0 K W AY0 L D F AY0 ER0/
verb
  1. 1

    To spread or disseminate rapidly or uncontrollably.

    โ€œThe virus spread like wildfire throughout the Internet.โ€

Source: https://en.wiktionary.org/wiki/spread%20like%20wildfire