Question

heads will roll This is unacceptable! Heads will roll!

Accepted Answer

This expression is the promise or prediction that people responsible for some failure or disaster will be dismissed or otherwise held to account.

Phrase/Idiom	heads will roll
Definition	This expression is the promise or prediction that people responsible for some failure or disaster will be dismissed or otherwise held to account.
Example	This is unacceptable! Heads will roll!

Heads Roll Expression Promise Prediction People Responsible Failure