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

Future Cock Block 

Future Cock Block (FCB) is a term used when another male tells a perspective female something that will forever destroy his chances with said woman. Anytime in the future when the man tries to hook up with the woman, he will be denied.

"Dude, I told Jackie you slept with some random fattie. She has a b/f now, but if she's ever available, I think I've future cock blocked you."

Future Cock Block by Recipient of a FCB January 29, 2009

cock block

When you are denied or blocked from sexual activity or arousal

Bertha's brother came home early, what a cock block.

Rita's Dad stayed in the same room watching TV with us, he is such a cock blocker.

The girl next door closed her blinds before she start to change, what a cock block.

cock block by RuneX December 2, 2003

Cock Block

Cock Blocking is when someone or something prevents a man from "getting some" or "hitting that"

I was about to take Jamie back to my place to seal the deal but I was swiftly cock blocked when my friend Mike didn't have a ride home.

Cock Block by Sean Feeney August 16, 2007

Cock Block bitch 

One who prevents someone from sexually scoring on them.

Emily was with taylor, and taylor went for some action, and emily cock block bitched his cock.

Cock Block bitch by dfghdfghdfgdfgdfgdfgfg April 11, 2010