An unkempt vaginal region. The appearance of snarly, nappy hair that protrudes from the sides of a womans panties. Generally in a state of disarray, including sloppy looking labia.
1. Paul: So I walked in on this girl changing backstage and she had a bunch of hair hanging out of her underwear. It was disgusting.
Eric: Oh, she had a beargina.
2. Joe: I had a slumpbuster last night she had a big beargina, so I just spacedocked it.
Ben: Get shit on dude!