EXAMPLES FROM THE WEB FOR CONK
This unmusical "conk" is sweeter than the "kerchunk" of the bull-frog.
We hear toward evening, high in air, the "conk" of the wild-geese.
"I got the fog out of my conk to-day, Fanny," he said exultantly.
This horn is a conk shell, bored at one end, and its sound is heard at a great distance.
I member the very day, on the 10th of May, old mistress blowed the conk and told us we was free.
If you comes makin' a row 'ere I'll land you one on the conk, so you'd best clear out!'
"You better be thinking of getting us in, one of my engines is about to conk out on me," he called across.
There is a cancerous disease peculiar to the Pine-tree, to which lumbermen give the original name of "Conk" or "Konkus."
We has to be ready for the field by daylight and the conk was blowed, and massa call out, 'All hands ready for the field.'
Then you come along and just about split the chump's conk just so's he'll stay out of your light, see?
as in conk out, 1918, coined by World War I airmen, perhaps in imitation of the sound of a stalling motor, reinforced by conk (v.) "hit on the head," originally "punch in the nose" (1821), from conk (n.), slang for "nose" (1812), perhaps from fancied resemblance to a conch (pronounced "conk") shell.