n. an event when a married person prevents a single friend(s) from hooking up.

n. person that is married and hates to see their single friends getting some.

v. for a married person to cause interference to a single friend(s), causing that single individual to not get the booty.
Things were going great with her until my married buddy came over, sat down and pulled out the married cock block on me.
by Who do you see? C-E-B August 19, 2007
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