Top Definition
When a persons vagina is so incredibly gross that it gives off a smell of sewers, this vagina has likley been pounded by every penis / inanimate object it has encountered, and has likley picked up many diseseases along the way. This persons vagina likley looks like a moldy grill cheese sandwich in apperance.
Guy 1:Dude, I was go down on Alannah Penny lastnight, but that bitch had some serious smelly swamp vag.

Guy 2: that's sick dude.
by jesusyourmaker January 26, 2010

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