Stick a fork in it
Meaning
Declare something finished or done for.
Usage
Used when acknowledging failure or completion.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Cookbooks suggest poking a roast to test readiness; once done, it’s over.
American diners used the phrase in the early 1900s when service ended.