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The name given to a person who believes they can pick up any woman, but in reality they cannot. This person usually wears pants three sizes to large and their word usage is poor. Beware this type of person seeks woman under the age of sixteen, woman with boyfriends, and in some extreme cases women who are married. They may disguise themselves as a PUA (Pick Up Artist).
Ryan, you are such a Gibby-G the only girls you can pick up are in Middle School.
by blindben123 February 03, 2007
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