defined by the movie Jay and silen Bob strike back when they fight the evil "cock knocker" with bongsabers. Cock knocker has one huge fist which he uses to hit men in the junnks

To cock knock is to it someone in the groin, similar to a fagtag, except you punck or knock on the cock as you would someones front door
John said something stupid about women so Bill cock knocked him good
by Blake a.k.a Wolverine March 16, 2005
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To hit someone or something with your penis.
Jane didnt shut up so James cock knocked her.
by Cowboy March 16, 2004
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to be knocked with someones cock
Frodo likes to be knocked with big hairy male cocks
by anarki May 24, 2004
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adj-
To be knocked with a cock
Jimmy was being a cow, so he got COCK KNOCKED !!!!!!!
by wankstain May 31, 2004
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To recieve a blow (usually to the head) for wronging another for some reason.
Mr. Robinson made a crude joke to his master and recieved a prompt cold cock knock to the face sending him flying across the room.
by Cowking May 31, 2004
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A cock knock is when two men are having sex with a woman, and one goes from the behind, and the other in the front. By the law of physics, the sword player's cocks would "knock" each other.
"Wo Jimmy did we just cock knock?" "just keep going"
by francis89 February 28, 2009
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