kayo

[ key-oh, key-oh; verb key-oh ]
/ ˈkeɪˈoʊ, ˈkeɪˌoʊ; verb ˈkeɪˈoʊ /
Slang.

noun, verb, plural kay·os,kay·oed, kay·o·ing.

KO.

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Origin of kayo

An Americanism dating back to 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for kayo

British Dictionary definitions for kayo

kayo

KO

slang

noun plural kayos

boxing another term for knockout

verb kayoes, kayos, kayoing or kayoed

boxing another term for knock outSee knockout (verb)

Word Origin for kayo

C20: from the initial letters of knock out
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012