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A name for any two attractive people of the opposite gender who decide to do something crazy together, for example, cut a day of school and roam around a dangerous town without getting caught, and have random obsessions, such as penguins. These two people also tend to be chillers and everyone wants to be their friends.
Ben: Hey Jack, I saw you and Jamie at the beach today. Your mom told me you were studying.

Jack: Yeah, i'm so BA; i pulled off an avisivan
by summersiivan67beeboy May 22, 2010
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