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Being a butt-vag, IE: being very insecure and immature, yet having a gigantic ego that is entirely based on your own fantasy world. Being a butt-vag makes everyone around you not like you. Butt-vages often have irrational anger responses to everyday situations, which only increase the amount of dislike towards you.
He's such a Butt-Vag that no one wants to talk to him anymore.
by Tinygrl May 02, 2010
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