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when you don't wipe your ass & it forms a layer of mould in your ass crack, which smells & makes other people gag when they walk past.
Oh my god the seat smells, the last person who sat here must have had mouldy ass.
by Sami D November 07, 2008
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when you don't wipe your ass & it forms a layer of mould in your ass crack, which smells & makes other people gag when they walk past.
Oh my god the seat smells, the last person who sat here must have had mouldy ass.
by Sami D November 07, 2008
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Get a Mouldy ass mug for your friend Georges.