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A disorder in which one vaginal flap is larger in size than the neighbouring flap. The larger flap often has small vaginal warts on it.

"I went to lick out my girlfriend but one of her fanny flaps was abnormally large and covered in warts"

"Dude, did you still do it?"

"Fuck no, I ain't no Bagilist!"
by Fanny Flapssssssss May 16, 2009
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