conk out

== English == === Alternative forms === konk out === Etymology === Possibly an onomatopoeic imitation of the sound of a stalling internal combustion engine. Possibly coined by British motorcyclists circa 1910. === Pronunciation === === Verb === conk out (third-person singular simple present conks out, present participle conking out, simple past and past participle conked out) (intransitive, informal) To fall fast asleep; to sleep soundly. Synonym: zonk out (intransitive, informal) To stop functioning. (intransitive, informal) To die. 1983, John Le Mesurier, self-penned death notice in The Times (16 November) JOHN LE MESURIER Wishes it to be known that he conked out on November 15th. He sadly misses family and friends. ==== Translations ====