Top Definition
A girl who is strangely attached to a guy and somehow finds a way to repetitiously cockblock one from new strange vag by any means necessary.
When a girl that is still attracted to you in some odd fashion goes out of her way to start some impromptu rumor about you at the club that travels rapidly through the small network of friends just to reach the prospected girl as you were leaving together. One example of many in a series making that girl Ms. Cockblockalot
by Evan Pcola December 18, 2008
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