eat someone's lunch

phrase

: to deprive of profit, dominance, or success

Word History

First Known Use

1959, in the meaning defined above

Time Traveler
The first known use of eat someone's lunch was in 1959

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Cite this Entry

“Eat someone's lunch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eat%20someone%27s%20lunch. Accessed 26 Aug. 2026.

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