or K.O., k.o., kay·o
[noun key-oh, key-oh; verb key-oh]Slang.
- a knockout in boxing.
- to knock unconscious, especially in a boxing match; knock out.
Origin of KO
First recorded in 1920–25; initial letters of knock out
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Related Wordshit, beat, tap, punch, slap, hurt, smack, fell, batter, flatten, damage, whack, bash, annihilate, expunge, exterminate, ravage, erase, eliminate, smash
- a slang term for knock outSee knockout
- a slang term for knockout