1 definition by Nitram852

When your in the shower, spread your cheeks and put your asshole on the wall, water is flowing down your back and through your crack, and then you fart, the fart with the water running down your crack against the wall creates a vibrance sound like a duck quack. Calling it the duck fart.
Oh, I hear a duck fart, Martin must be in the shower.
by Nitram852 October 28, 2019
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