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welcome to the groingle! weve got fun and groin!
guns and roses - welcome to the groingle
1👍 7👎
the difference in colour between the skin and the tip of the penis. higher percentage, more contrast.
person #1: My tip is dark pink, almost red, but my
skin is so pale!
person #2: Bro, your groingle percentage has got to be 85 or above!