conk out
Mittelstufe (B1) informal
When a machine suddenly stops working, or when you fall asleep because you are very tired.
"Our car conked out on the motorway and we had to call for assistance."
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(Some of) Top Gear’s Messiest Road Trips | Top Gear Classic
Top Gear Classic · 6:03
every trick in the book to make them conk out.
$30 Smart Ring vs. $600 Smart Ring
Sam Beckman · 22:30
For all I know, it could conk out next week.