toll the death knell(redirected from tolled the death knell)
toll the death knell
To cause or signal the impending end or ruin of something, especially a business, organization, or activity. Refers to the sound of a bell ringing (the knell) from a church to indicate that someone has died. The geometric expansion of the Internet and digital media has tolled the death knell for countless print-based businesses around the world.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.