eat someone's or something's lunch
idiom
US, informal
: to outdo or defeat someone or something very badly
The big hardware chain was eating the local store's lunch.
Cite this Entry
“Eat someone's or something's lunch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eat%20someone%27s%20or%20something%27s%20lunch. Accessed 6 Dec. 2025.
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