conk out

verb

1. (of machines, cars, etc) to fail suddenly
2. to tire suddenly or collapse, as from exhaustion

Word History and Origins

Origin of conk out¹

C20: of uncertain origin

Related Words

• break
• cave in
• crumple
• disintegrate
• drop
• fail
• faint
• fall down
• founder
• give way
• shatter
• topple
• weaken