conking
conk-ing
verb
The action of a person suddenly falling asleep due to extreme tiredness.
"He was conking out during the lecture."
verb
The action of a machine or engine suddenly failing or stopping working.
"My old car keeps conking out."
Thesaurus
Synonyms: swoon, faint, conk, pass out, perish, cash in one's chips, expire, buy the farm, croak, decease, exit, pass
Antonyms: be born