1 definition by calaco

Top Definition
1. when a guy who is interacting with a cute girl hoping to get ahead sexually is blocked from taking it farther by someone or something

2. either devine intervention, karma or poor luck preventing a guy from getting laid or succeeding sexual with a girl.

3. when a friend of either the guy or girl prevents the two from hooking up
I can't believe you just fucking cock-blocked me you prick, your like a cock-blocking dog that just pops up a the worst moment to fucking kill someones chance's of fucking scoring!
by calaco May 28, 2011
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