Cockblock

When a guy who is trying to get laid doesn't because another dude says or does something to prevent that from happening. Can also occur between women (also known as twat swatting).

A man's dumbass friend spots him trying to make a move on the hot blonde girl at the bar and decides to be a real dick and cockblock his mate.....

Man: Hey let me buy you drink....
Woman: Yeah sure
Dumbass: Hey man, how's your AIDS? *walks away*
Man:.........fuck.

by P. Trotsky January 26, 2011

Cockblock

when a bitch friend come in between and your lady friend when your trying to have a romantic moment

Damn man, Mehrab cockblocked me when i was trying to get my mack on with Danielle.

by lolthewhitekidfromthe818 November 05, 2010

Cockblock

The true identity of a fictional character that likes to go by the name of Asia Argento in a light novel/anime series known as Highschool DxD

“Do you want to attack me?”

Buchou spoke as if she had seen through my heart. As usual it seemed like my thoughts were easy to read.

“If Cockblock wasn't here, I may have been attacked… seems like during our time alone…”

by Wubbadu June 07, 2016

Cockblock

To provide a metaphorical, but quite effective, block of your friends cock with a woman's vag!

"Yo Bob, that fuckstain kid Doyle, just cockblocked me from getting another piece of ass!"

"What a cockblock!"

by Omanz December 29, 2005

Cockblock

When a guy gets in the way of you trying to get with a girl.

You are about to take a girl to your apartment so you will be alone and your friend comes tag along and messes up you chance of getting laid.

by Chad Hayward http://www.chadhayward.net June 24, 2005

Cockblock

The act of obstructing one person's advances towards another or preventing a person from action, especially sex.

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.

by Mr. Terrence L. Trezvant December 02, 2004

Cockblock

Someone who discourages the sex life of a male who wants some.

"Man, I was totally up with this girl until my girlfriend saw us. She's such a cockblock."

by Stoptheblock February 07, 2010