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The act of a group of men forming a circle or a ring while performing anal sex on each other. The group of men create a circle while penetrating each other anally. This typically requires five or more standing participants engaging in a ring of anal sex.
The amount of butterscotch created from the Clark circle was unfathomable.

The gay men were covered in fecal matter after participating in a clark circle.

by Systolic January 09, 2006
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