Idioms and Phrases with spread like wildfire
spread like wildfire
Disseminate or circulate very quickly, as in The rumor about their divorce spread like wildfire. The noun wildfire means “a raging, rapidly spreading conflagration.” [c. 1800]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.