Pull the plug
Meaning
Stop something abruptly.
Usage
Used for canceling projects, experiments, or devices.
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.
Unplugging electrical cords to stop a machine.
Used since the mid-20th century as electricity became common.