spread like wildfire

US /sprɛd laɪk ˈwaɪldˌfaɪər/
UK /sprɛd laɪk ˈwaɪldˌfaɪər/
"spread like wildfire" picture
1.

to spread very quickly to many places or people

:
News of their engagement spread like wildfire through the office.
The new trend spread like wildfire among teenagers.