When a woman has copius amounts of Pubes that travel from front, down past the vag, then back up past the ass giving the illusion that they are wearing a hairy diaper. Mostly promenant with Russian woman, hence the name.
John: "Dude, I wouldn't go down on Jane"
Mark: "Why man, she's smokin hot"
John: " Check out that treasure trail, she's definatly got a russian diaper"
Mark: "Good Call"
by OGMang June 11, 2008
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