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When a woman has a dirty vag that is so rotten it smells like the inside of a turtle tank.
John: Man, I wanna go down on that girl so bad!
Mark: Who Brenda? Dude, no! She's got a turtle tank down there.
John: Fuck, really?
Mark: Yeah, I'd stay away from that.
by Hobo Baggins December 15, 2009
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