conk out

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conk out

Where it comes from

Possibly an onomatopoeic imitation of the sound of a stalling internal combustion engine. Possibly coined by British motorcyclists circa 1910.

verb conks out · conking out · conked out · konk out

  1. informal, intransitive To fall fast asleep; to sleep soundly. He wasn't there, just the dog, conked out on the porch.

    Similar: zonk out

  2. informal, intransitive To stop functioning. The old car conked out halfway up the hill.
  3. informal, intransitive To die. He lived to be 90, then conked out in his sleep.

Translations

Every language

verb to fall fast asleep; to sleep soundly

Españolcaer muerto
Deutscheinnicken, einpennen, wegtreten

verb to stop functioning

Españolmorir, petar
Portuguêspifar
Françaistomber en panne
Deutschausfallen, streiken, den Geist aufgeben

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MLA

"conk out." Wiktionary, via Micwyn, micwyn.com/word/conk%20out. Accessed 6 Nov. 2026.

APA

conk out. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/conk%20out

Chicago

"conk out." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/conk%20out.

BibTeX
@misc{conk_out_2026,
  title = {conk out},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/conk%20out},
  urldate = {2026-11-06}
}