1 definition by JoeAbay

Top Definition
Taking someone to homecoming or prom though there is no relationship while the girl has a crush on another guy. Because of this the other guy can't get with the girl who likes him, hence cockblockdate.

popularized by joe and ciara
"dude joe is such a cockblock date"
"i know we all know shes like karl"
by JoeAbay September 26, 2006

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