Urban Dictionary: Definitions by Trombone77

black walnut

When your multiple dingleberries attach via whatever means and create a larger solid that, due to your butt cheeks, form into the shape of a walnut.

Dude, I haven't showered in days and just had to remove a huge black walnut from my ass hair. It was horrible.

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A collection of dingleberries that, over time, have collectively formed a larger entity that has taken the form of a walnut.

Dude, I haven’t showered for a week and therefore have a huge black walnut blocking my asshole.

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When several dingle berries clump together so much that they take on the shape of a walnut.

Dude, this camping trip has lasted so long that my shit has clumped into black walnuts around my asshole.

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