The idiom "heads will roll" means that people will be punished or fired for something that went wrong. It implies that someone will be held responsible for a mistake or failure, and that person will face serious consequences.
This expression is often used in situations where there has been a major problem or failure, such as a business losing a lot of money, a project failing, or a serious mistake being made. It can also be used in a more lighthearted way, such as when someone makes a mistake at work and their boss jokingly says "heads will roll."
Overall, "heads will roll" is a warning that someone will be held accountable for a mistake or failure, and that there will be serious consequences. It's important to use this expression carefully and appropriately, as it can be quite strong and may cause anxiety or fear in some people.
• If you are not careful, heads will roll. (warning to be careful)
• Heads will roll if we do not find a solution to the company's financial crisis. (emphasizing urgency)
• The government promised that heads will roll if the corruption scandal is not addressed. (promising accountability)
• The CEO's resignation announcement means that heads will roll in the company's senior management. (indicating major changes)
• Heads will roll in the organization following the investigation into the data breach. (indicating serious consequences)
• The boss said that heads will roll if our team fails to meet the project deadline. (threatening consequences)