Hey, did you hear that guy yell "knee ko" over there? Let's get some pool cues and go pound his nose down through his asshole.
by hexrei May 29, 2008
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Whenever you are sorta being a bitch.

Pronounced similar to the name "Nico"
Person 1: Murders Person 2's whole family
Person 2: YOU DAMN KNEE-KO!
by Jerry Smith's Dog November 14, 2021
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Knee ko is a term coined by a new member on mmaforum named "sudnvictory". It's a clever spin off of the commonly used term tko, meaning technical knockout. Apparently "sdv", who's name I've condensed, felt it necessary to create a new thread about this 'groundbreaking' new term after only having 4 posts. Now his reputation is shattered and he will be the butt end of every joke, relieving 'Tito-Fan' of his duties. But even through all these hardships from other members, the staff, and mods he still manages to stake claim to his term without waivering. For this I give him credit and his term will forever be used in modern day MMA.
The "Knee" KO for BJ's finish over Sherk.
by mma17 May 31, 2008
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