Cockblock

To interfere with a male's attempt at talking to a female or the other way around, especially if it involves sex. This is mainly performed by obstructing the path between the male and the female. Normally, the person that's doing the "cockblocking," has the intention on talking to the male/female.
BABY MAMA: I'm talking to this guy now name Terrence. He's a nice and comical guy.

BABY DADDY: You gonna have to cut that man off, I don't care if he's nice or not, he better not be in the picture.

BABY MAMA: Oh, now you wanna cockblock for the simple fact that I moved on without your sorry ass.
by Mr. Terrence L. Trezvant April 04, 2008
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Cockblock

What Harry Potter does everytime he sees Ron and Hermione together
by mgemfp208 July 19, 2011
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cockblocker

1. A female who accompanies her male friend(s) out and then prevents them from getting any attention from other females by her mere presence. Other females will think she is his girlfriend. So then if he tries to run his game, he looks like the asshole who is hitting on other girls right in front of his "girlfriend."

2. An ugly girl who comes out with her cute girlfriend(s) and prevents the cute girls from getting any game.

3. "Girls' night out." This is a cockblocker by virtue of its name and implications. There will inevitably be a girl or two in this group who are man-haters. They will brainwash their cute girlfriends into thinking men are bad, players, jerks. They will convince their cute girlfriends that girls need to stick together, no men tonight.

1. Joe: Does Judy really need to tag along with us tonight? She's such a cockblocker, everyone thinks she's my girlfriend!

2. Cody: Hey Trevor, that girl is cute. Will you be my wingman and distract her ugly friend while I go talk to her? Trevor: No way dude, her friend is hideous!

In this situation, the ugly girlfriend is cockblocking her cute girlfriend.

3. Jessica: It's girl's night out! Yayyy no guys tonight! Ok girls, remember, we gotta stick together. Don't get sucked into any man-traps!
by TNTgirll September 15, 2007
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Cockblock

noun: Someone who prevents a man from having any chances with a woman.

verb: to prevent another from having relations with a woman.
by Sir Thomas Aquanis April 28, 2010
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cockblock

when some motherfucker blocks you from getting pussy
when elisha was about to cop a buff from nicole eric cockblocked the shit out of him by taking nicole away
by Urban Dictionary May 06, 2006
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cockblocker

someone who prevents a guy from using his dick to satisfy a woman
That fuckin cockblocker wouldn't leave Tom's house last night when he was anxiously awaiting to fuck Sarah.
by Katie S. March 21, 2006
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cockblock

1. When a person at a club,party or just at school moves in on someone you are trying to get with.
2. Can be used to describe a situation where a friend moved in on your girlfriend who you were trying to get back with.
1. David was trying to get with this girl at the bar but Fabio pulled a total cockblock. Now David is left with his hand.
2. Dude! Cj totally pulled a cockblock when I was trying to get back with Arri.
by BBWulf September 25, 2007
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