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!
skin is so pale!
person #2: Bro, your groingle percentage has got to be 85 or above!
by chompgiraffe June 29, 2024
Get the groingle percentage mug.17.8% The percent of people that will remain friends with you after running a D&D game for them if your a total piece of manipulative shit and have no idea what your talking about beyond how to manipulate women.
You see, I've run the numbers multiple times. Do you wanna know what the Friend Retention Percentage is? How many people I've run for that still talk to me today? 17.8% Can I see your tits please I need to feel like a man again?
by heatstim August 31, 2021
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