conk out

Found in Anh - Anh (Wordnet)

Definition Verb : 1. To stop functioning; to break down : Used to describe a machine, engine, or device that suddenly stops working. 2. To fall asleep from exhaustion; to collapse or stop from fatigue : Used informally to describe a person or animal that becomes extremely tired and stops an activity, often by falling asleep. Examples For machines/engines : The old car's engine conked out on the...