Fingering technique where the male curls his index and middle fingers like he's gripping the trigger of an M1 carbine and applies steady, rhythmic pressure just inside the vagina. This activates the Orgasmic Crescent: the urethra, G-spot, clitoris, and clitoral network.

Jill: He performed a sex move on me with his hand that no man has ever come close to competing with.

Jacky: That must have been the Nippon Knucker, I love Asian men.

nippon knucker by YodellingYack November 3, 2011

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Douche-Knucker

It is a noun for being a douche-bag but simply less pleasant( Say it with an English accent)

Man whore : "your a slut" Hooker:"Oh ya well you're a douche-Knucker" ( Say the part of the hooker with an English accent )

Douche-Knucker by The Zaiphai April 12, 2009

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spedunk puffer knucker

Any young or old car club member who has dropped their vehicle so close to the ground that no matter how slow they go over a speed bump the moment that the rear wheels hit asphault again the back end of the car slams down hard causing the driver side airbag to inflate and knock the driver out cold.

If that fool over their thinks he's getting over those big ole bumps in that scraping mess with out a spedunk puffer knucker of the year award coming his way tell me to stop dialing 911 now. Either way get his trophy out the trunk.

spedunk puffer knucker by Shawn Gabriel Archuleta May 18, 2008

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