defensive cockblock 

Act of interfering with someone who is kicking it to your piece.

Jim was all over my woman, so I had to defensive cockblock all night.

defensive cockblock by j May 13, 2005

cockblocker

someone who prevents someone from getting sex.

cockblocker by Joey March 20, 2003

cockblockalypse 

A cockblock or cock-blockthat it spells/feels like the end of the world.

Can only really be applied if the cockblock takes place after more than an hour of conversation with the female that has been blocked.

'Man, her mate came back, they had to get a taxi, complete and utter cockblockalypse'

cockblockalypse by Robbie Best January 16, 2008

Cockblock-Blocker 

A very useful person who blocks any would-be cockblockers.

Brian was forced to find a cockblock-blocker to ensure his chance of getting some action.

Cockblock-Blocker by Chai Done October 18, 2009

Awkward Cockblock 

When you masterbate in you bathroom, and you are constantly cock blocked by a family member that wants to shit. They will yell, knock, pretty much suck the mood right out of you, and if they yell and knock hard enough, you will just cum all over the place, so in a sick sense, you couldve finished to your, baby sister, little sister, little brother, baby brother, mother, father, grandma, grandpa, uncles and aunts! you couldve finished to their voices, makin you a freak!

Guy 1 (jacking off) O yeah! Almost done

*KNOCK KNOCK KNOCK*

Mom: (from other door) HURRY UP!

Guy 1: O shit! To much excitement! AHHH! (money shot)

Mom: What was that?

Guy 1: NOthing mom, you just did the Awkward Cockblock.

Mom: What?

Guy 1: NOthing...

Awkward Cockblock by UN-luckyJACKER69 March 16, 2010

Cockblockula 

Someone who at every chance sucks up all the game in the room at his friends expence.

John: Aye there were like 100 girls at that last night, did you get any action?

Ryan: Not at all Gary was being such a Cockblockula! Dude he totally kicked off the Cockblocalypse.

Cockblockula by P.S. Foolish June 13, 2011

cockblock 

A special door that keeps male chickens from entering a henhouse.

"Dude, that rooster is trying to get at the hens, but the cockblock is keeping him out!"

cockblock by Oleg Yavorsky March 22, 2009