when having sex, you go for at least three rounds that are at least 30 minutes long and you don't cum until the the third or later round
round one=no cum, round two=no cum, round three=cum and KNOCK-OUT
by Wizzard the Juggalo December 10, 2010
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When someone uses the pull-out method for birth control and ends up getting pregnant.
Brittany said she was going to get her tubes tied, so she wouldn't get knocked-out again
by Hacey L. May 2, 2007
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What happens to anybody who steps up to Kash!
Two hits He hits you, you hit the floor. Knock out!
by Homies 2 December 22, 2008
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To steal.
1. "Tonight I'm going to go knock-out a set of Acura Type-R rims for my Civic HF".
by Sim-Dum Gweye September 24, 2003
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Racist 'game' in which blacks pick an unsuspecting white victim and sucker-swing at them as hard as they can, usually resulting in a knock-out and occasionally resulting in death.
Nigglet #1, "Yo nigger, I bet you can't knock that honkie out with one hit!"

Nigglet #2, "You trying to get me to play the knock out game? Alright, watch this."
by your.phantasm November 20, 2013
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to be half asleep, or half unconcious
my brother was half knocked out after he pulled a all nighter
by Aria N. March 28, 2008
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