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2.
Cockblack, n: A cockblock that has a power level of over 9000.
Arthur: Hey lets go out!

Tricia: Lets go to Madagascar!

Zaphod: Wanna see my space ship?

-Tricia and Zaphod fly off in spaceship-

Arthur: damn it not another cockblack....
by Cyrus cybernetics corperation December 13, 2011
 
1.
adj. To be a really large Cockblock.

See "Cockblock"
That girl's friends would always try and convince the boy she likes to date her, but he would always refuse. Instead of being wingmans, they were cockblacks.
by urbanshrimp328 December 13, 2010