Dic:// eat someone's lunch

─. Slang. to best someone; to defeat, outwit, or win against someone. (Like scholl bully taking away children's lunches and eating them)

─. Overwhelm the competition. To eat the lunch of a competitor implies blatantly taking bread (sales) from it.

• As humans are predators and they are not all equally capable some of these predators eat the lunch of others.

..... Dictionary of American Idioms; Understanding American Business Jargon: A Dictionary; 예문