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 15, 2005
To hit someone or something with your penis.
Jane didnt shut up so James cock knocked her.
by Cowboy March 15, 2004
To be slapped in the head with a penis
Aaron questioned the mighty one's power and got cock knocked.
by The One May 18, 2004
when you squat over another persons face and spread your ass cheeks while they are passed out and also punch them in the balls which results in them lifting their face into your anus and possibly your balls too if you can get the technique right
Bobby passed out and i had to cock-knock him
by G.G. L.B. May 09, 2006
The act of knocking on a door with the sole intent of performing fellatio on the occupant.
You: "Someone knocked 6 time on my door while I was in the shower. That seems a little much for the UPS guy, who do you think it was?"

Me: "Maybe it was one of your Cockknockers coming over to give you a BJ"

You: "isn't it common knowledge to not just drop by?"

Me: "To normal people, not cockknockers"
by StriderWA September 20, 2010
when a girl teases a guy by getting him all revved up but never doing anything for his pressure; a girl who gives a guy blue balls.
Slut: That S.O.B. Matt is just using me for head; next time I go over there, I'm totally cockknocking his ass!
by Tut girls January 15, 2008
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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