cockblock

noun: a diaphragm
(adj; cockblocky, v; to cockblock see cockblocker, cockblockation)

Betty Mae didn't want to get pregnant so she used a cockblock.

by Nigla Dave January 1, 2005

Mr. C. M. Cockblock

defining a cockblocker with a pseudonym when not able to directly state said cockblocker's name.

Very useful when the cockblocker is in close vicinity of you and/or partner. Also very useful as a label to said cockblocker

Girl: What's wrong baby?
Boy: I don't want to say right now ok?
Girl's Dad: Are you sure son? You do seem a little tense and uptight

Sinister look in Dad's eyes
Boy: Well, i would be more relaxed, but once again Mr. C. M. Cockblock strikes again (winks at girlfriend without Dad noticing)
Girl's Dad: Laugh out loud (he's too douchey to write lol)

by djhiphopisdead June 24, 2010

cockblock

A pramface. Or generally a rough slag.

Mary Kate And Ashley Olsen - cockblocks, both of 'em.

by Mika October 20, 2003

cockblock

cockblock n. to be so ugly can not cause an erection.

man 1 - fuck dat bitch is ugly.
man 2 - i know a complete cockblock.

by dd`dawg April 22, 2006

cockblocker

one who keeps the poon running away

Cockblocker Duztin has a keen ability to drive the women away

by chuck d March 28, 2003

cockblocker

A person who blocks someone from getting laid

hey did u hear how errin blocked mike from getting laid last night geez what a cockblocker

by PENIS_SLAYER_2016 September 21, 2016

CockBlock

when some interferes with the desires of a cock

i was talking to this girl and kenneth just walks up to me and tries to start small talk... fuckin cockblock

by the man who fucked your wife August 27, 2009