Top Definition
when a woman impedes the progress of another woman to successfully court or flirt with a man; or when a woman rejects the proposal from a separate man to date/flirt/dance with his male friend. The female equivalent of a cock blocker or being cock blocked.
"Beth really tried to flirt with Scott last night, but Christina totally frock blocked her."
by spankydoodle21 February 18, 2010
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