At the charity fundraiser, the ladies who lunch debated which restaurant would host their next monthly gathering.

During the presentation, her main competitor tried to impress the clients, but she ended up eating someone's lunch with a far superior proposal.

My grandfather has always been a lunch pail Democrat who values steady jobs and practical policies.

Despite the media pundits' labels, the lunch pail Democrats in the district stayed focused on practical solutions like infrastructure investment and job training.

During the product demo, her main rival eats someone's lunch by stealing the spotlight with an innovative feature.

In the boardroom meeting, the newcomer had already eaten someone's lunch before anyone realized how innovative his idea was.

On Monday, Mark ate someone's lunch from the office fridge, and the owner was furious.

By undercutting their prices and launching a better product, the startup is eating someone's lunch in the market.

Researchers often cite the no free lunch theorem when arguing that algorithm selection must be tailored to specific tasks.

After the spinning roller coaster, it's not unusual to launch one's lunch.