Top Definition
When someone intervenes while you are in the process of getting something. Often used in cases when one stops you from getting a phone number, information, or something else, from a girl (or guy).
Can also be shortened to "Blockin".

also see cock blockin/ cock blocking
Yo this chic was about to give me her number until John cop blockin ass came over there, tryin to get in the conversation we was havin.
by FooGe March 26, 2004

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