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holy cow
interjection
, Slang.
- (used to express bewilderment, surprise, or astonishment.)
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Word History and Origins
Origin of holy cow1
First recorded in 1920–25
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Idioms and Phrases
Also, holy mackerel or Moses or moly or smoke . An exclamation of surprise, astonishment, delight, or dismay, as in Holy cow, I forgot the wine , or Holy mackerel, you won! or Holy Moses, here comes the teacher! or Holy smoke, I didn't know you were here too . The oldest of these slangy expletives uses mackerel , dating from about 1800; the one with Moses dates from about 1850 and cow from about 1920. None has any literal significance, and moly is a neologism devised to rhyme with “holy” and possibly a euphemism for “Moses.”Advertisement
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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