Semi-solidified secretions of the vagina resulting in the unfortunate fungal infestation of a sexually-immoral female individual.

Usually mouldy-cheese in appearance and emanates a somewhat foul, musty odour.
"I took home with me a stunning companion from the prestigious Garage nightclub in Glasgow only to find a horrifying harvest of flap fungus lurking..."
by flaplover February 02, 2010

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