Definition of eat someone's or something's lunchUS, informal
- The big hardware chain was eating the local store's lunch.
: some person : somebody
: some indeterminate or unspecified thing
: some indeterminate amount more than a specified number
: a person or thing of consequence
: in some degree : somewhat
used as an intensive giving adverbial force to an adjective
: a usually light meal
: the food prepared for a lunch
: to eat lunch
: to treat to lunch
What made you want to look up eat someone's or something's lunch? Please tell us where you read or heard it (including the quote, if possible).