When the insult "cock" just isnt enough, the insult can be lengthed to cocknocker
"my dear Jeremy, I have decided to finish our relationship because of your inability to commit to me or my feelings. You are truely a cocknocker"
by Don February 13, 2004
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1.Someone who hits you in the balls delibertly when in the middle of a fist fight, a deliberate cheat move often used when losing.

2.Fictional Charcter Mark(Luke Skywalker) Hamill played in the Kevin Smith movie ‘Jay an Silent Bob Strike Back. Cockknocker uses the first definition with a giant fiist. From the fictional comic ‘Bluntman & Chronic’
1.I was kicking his whiny punk ass, then he cockknocked me and it was all over.

2.Chronic: Why they call you Cocknocker?
Cocknocker: Actually there’s a funny story behind that, you’re gonna love this, true story…
(WHAM)
Chronic: Eeep.
by banky123 July 20, 2006
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When a well intoxicated male beat's on someone's front door with their penis
That cocknocker took me by suprise
by d.y. August 5, 2006
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Annoying slutty fat bitches who think they are the shit when guys only use them for a quick fuck.
Jolene is a floppy titty cocknocker and she live in Ione, California if your looking for a lousy fuck.
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