Preventing some unsuspecting moron from getting laid one night, or possible ever.
A kid walking with some chick in a parking lot gets soda thrown all over him by people driving by in a car. Therefore, he isn't getting any of that pussy that night. Or ever.
by Big Boss March 19, 2005
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Could have one of two meanings:

1. A verb that denotes a female or gay male that flirts all night and at the end of the evening doesn't go the distance.

2. Also means that just as you were going to make a move on the object of your desires, another person beats you to the punch.

In either case the person thought they had a sure thing.
Man oh man I can kick myself . I'm so freakin' horny that I've had to masturbate twice already and I still have the worse case of morningwood since getting cock-blocked by this real hot chick at the bar last night..

{teased noncomittal
by TheBigCanucklehead March 14, 2015
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An actual block of wood with the words COCK BLOCK written on it. It is used when a male is talking to a female, and another male walks up with THE COCK BLOCK, sets it down in front of the male and takes over the conversation with the female.... there are several variations of the cock block... "The Pocket Cock-It" (a pocket sized cock block), "The Twat Block" (the female version of the cock block). Developed by college students in Visalia, Ca.
"Talen was talking to this chick when all of a sudden Bryant walks up with THE COCK BLOCK, and sets it down in front of him."
by Sir Pyscho Sexy May 18, 2006
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To Spit Game at a selected girl,that already has a man. (Men)
Basically the main goal of the man "Spitting" is to make the girl like him more than the other guy, hence:
"Cock-Blocking".
by W.A.R October 31, 2007
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Cockblocking is the action of denieing one of using there cock in a sexual fasion. It originates from the hood although it is not clear which one.
Hey Allison you need to stop cock blockin im tryin to hit dat tonight.
by Alli G October 10, 2004
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When one person says anything that with make a woman dislike him or not want him......
you " yo bitch you lutty ass hoe suck my nutts" friend " no come over here so i can look at you camel toe" dude your cock blocking no more weed for you and you bitch get that camel toe pussy out of here.
by kksdjaj aas f a September 1, 2006
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Someone who doesn't allow someone else to perform sexual intercourse by acts of word or action.

Also, when you get cut off from sexual intercourse by a friend. (Cock Blocked)

Noun and a Verb....
Noun - "Bill is such a fucking cock block. He was just jealous that I was mackin' dem hoes."

Verb - "Holy shit, that ugly ass monkey just cock blocked me and stole my lady."
by HyperWake777 November 16, 2008
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