cock block

1)Any person or group of persons interfering with an attempt someone is making to have sex with someone else.
2)The City of Pittsburgh.
3)That twitchy guy who just ruined the mood.

Joe, John, and Harold tried to cock block Steve, but it didn't work.

cock block by Hung Lo May 1, 2003

cock block

- third party that keeps you from engaging in sexual activities with that special someone in a given amt. of time.

I can't believe her. She could obviously tell we wanted to do stuff. She's such a cock block.

cock block by Poseur December 28, 2005

cock block

Fleda Definition: When Someone Or Something Interferes With Your Game. There Are Three Levels To Cock Blocking

Level 1 Cock Block- When Someone Interferes With Your Game

Level 2 Cock Block- When You Intefere With Your Own Game

Level 3 Cock Block- When Your Shit Gets Chopped Off... Thrown In The Air... Shot Down... And Then A-Town Stomped On (Figuratively Speaking)

Ex. Level 1- Me And My Girl Were About To Fuck Until Drew Walked in and cock blocked us.

Ex. Level 2- Me And My Girl Were About To Fuck But I Went Limp and cock blocked myself

Ex. Level 3- Me And My Girl Were Fucking And I Was About To Cum, But my Friend Came In and I Shot Him... Damn Level 3... The Ulitimate Cock Block

cock block by COSTAS Level of CockBlocking May 8, 2009

cock block

to interfere with a man trying to pick up a girl.

((Mike is Hitting on a Girl as Bobby Yells Across The Room))
Bobby : "Hey Mike did you get your herpes medicine yet?"
Mike : "Man, why you always tryna cock block me?!"

cock block by xxcHoLa May 28, 2006

cock block

n. one who interrupts an act of sexual intimacy, such as hooking up or having sex, by opening doors, calling phones, etc.

Can also be used in the verb form, "cock blocking"

Yo, homie -- close the door! Why you cock blockin`? Can't you see we're in the middle of sumthin?

cock block by TE AM0 August 25, 2005

Cock Block

The act of a large entity using their market influence to prohibit you from gaining access to a desired market.

e.g. Why does Microsoft have to come up in my house and cock block my access to that sales channel.

Cock Block by retepa May 6, 2007

cock block

A rare and unfortunate phallic affliction where a man is born with a rectangular, block-like penis.

Jane: "What the hell is that? Is that a Colgate box?"
John: "It's...my penis. I have cock block..."
Jane: "Um...ok. Well, this is gonna cost $90."

cock block by duminik November 21, 2010