162
what you do to your boyfriend when he pisses you off. Usually to get him to either do something or dump you so that you don't feel bad.
girl 1: i decided to cock block my boyfriend
Girl 2: y?
girl 1: he forgot my birthday and didn't appologize
by 12345687no1 October 11, 2005

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163
One of those things they put in between each urinal in a lot of gents public toilets so there is no peeking.
Thank God there's a cockblock there, Steely was trying to look at my package.
by Martin September 24, 2003

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164
1. To deny a horny partner sex as a means of control.
2. To forego expected vaginal coitus after reciveing oral sex.
3. To back out of an already initated sexual encounter.

My girl wanted it bad, but since she didn't cook I gave the lazy lady the cockblock.
by xylol March 15, 2006

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165
when a dumb ass bitch that isnt hot or attractive and you dont even communicate with basically makes some random shit up about you and her hooking up to make that fly ass hoe you are thinkin of bonin only look at you as a complete busta, but in all actuality the cockblock or as we call them on da street..."hoodrat" or "bitchass" is the only busta around. The cock block usually is just in da club frontin...

its poppin in da club and ma boy jay is feelin dis fly ass hunny...

-jay: so emily lets go to the trap or somethin, you fine as hell and you know a d-boi like me wants to hit all night, yeeeeeeeeeeeeah.
-emily: well its obvious you aint frontin g, so hold up while i go tell the girls you gon give it up to me tonight.
-jay: aight bitch make it quick though, my dick feels like its gonna burst out my fuckin pants man shit...

emily is now with her bitches when all the sudden a cockblock (lindsay) comes over with a major kill...

-emily: i cant wait to get pounded by jay tonight, i hope he tears me apart.
-lindsay: oh yeah i made out with jay kyd, you already know.
-emily: shieeeet meng
-jay: yo lindsay stop being a mo fuckin cockblock and go suck a dick, no homo.
-killa: yeah yeah jay rep yo hood kyd AY! AY!
-emily: is this true jay, because it sure would make you look like a busta, i mean shit son, damn...
-jay: man emily lindsay is a hoodrat, and a cockblock ya heard?
-emily: fo sho
-jay and emily: one.
-killa: for real i just wanna say...yo lindsay go get ya wet wipes...I see your head lights, dey NOT lookin dead nice they got me sayin D-d-d-d-d-d-d-d-d-d-d-d-damn.
by killa! August 30, 2006

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166
The term is used when your homie wont hook up wit yo girls' friend so you dont get no booty
John: Hey man we gunna get sum tonight I got you in with Tina's friend ::points::

Mike: HELL NAH i wouldnt fuck her with a 10-foot pole

John: Fuckin Cockblocker
by Trips June 24, 2005

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167
It is of Itailian origin, and it is a cube, or a block, full of cock(s)
You dumb ass hoe cockblock.
by cockblock101 March 11, 2005

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168
the infamous act of concealing a friends penis in cheez wiz in sake of being a total douche bag.
Justin Timberlake covered my dick with chees wiz and licked it off.... what a cockblock
by Vagina McVaginastein May 08, 2005

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