Examples:

• With its innovative new product line, the up-and-coming startup is poised to eat the lunch of the established industry giants.
• The aggressive sales tactics of the new competitor are starting to eat our lunch, and we need to come up with a strategy to stay competitive.
• The local coffee shop is worried that the new chain store opening across the street will eat their lunch and put them out of business.
• The talented new employee is starting to eat the lunch of the veteran sales team, who are feeling threatened by her success.
• The popular social media platform is always looking for ways to eat the lunch of its rivals and stay ahead of the game.
• The small independent bookstore is struggling to compete with the online giant that is eating their lunch with its vast selection and low prices.
• The young and hungry athlete is determined to eat the lunch of the reigning champion and become the new face of the sport.
• The disruptive new technology is threatening to eat the lunch of the traditional industry players, who are struggling to adapt to the changing landscape.
• The savvy investor is always looking for emerging companies that have the potential to eat the lunch of the established players and deliver outsized returns.
• The skilled negotiator was able to eat the lunch of his opponent and secure a much better deal for his client.