A hand job or male masturbation with 1, 2, or 3 knuckles of a finger in the anus to stimulate the prostate and cause a sudden intense orgasm.
Dude, I finally got a 3 Knuckle Chuck! I came everywhere!
You're definitely gonna buck when she hits you with a 3 Knuck Chuck!
You're definitely gonna buck when she hits you with a 3 Knuck Chuck!
by Umakhi June 15, 2022
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A man. A man who lives. A man who lurks undisturbed and blends into society. He works 7 days a week and grunts when about to move. A chuck does not care to wear a mask. Chucks can be seen in highly populated areas. Chuck is chuck.
by ChumInspector5 February 27, 2022
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