Walnut Dust

The shimmery powder like form of semen once dried on defined abdominal muscles.

When semen has been ejaculated onto either partners torso and subsequently dried out on the defined abdominals (Walnuts) particularly after two torsos have smudged it between them, it then dries to a shimmery powdered dust like consistency.

His Walnut Dust caught her eye as it shimmered in the dim bedroom light.