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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Get the 3 fingers up mug.A flashback to 2008...
Man: Hey, did you hear that Fallout 3 came out?
Other Man: No, i didn't! I have to play it
Man: Hey, did you hear that Fallout 3 came out?
Other Man: No, i didn't! I have to play it
by Emmittplayz June 19, 2022
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