Conk out
Conk out verb - To lose consciousness.
Cite this Source
Failed and Conk out. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/conk_out/failed
Conk out & Failed. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/conk_out/failed>.
Failed or Conk out. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/conk_out/failed.
Google Ngram Viewer shows how "conk out" and "failed" have occurred on timeline