Originally an experiment demonstrating the principle of conservation of momentum, Newton's balls are five metal balls suspended in line by fine wire or string. When one ball impacts the rest, momentum is conserved and the ball at the other end is knocked into the air.
Alternatively, Newton's balls can be used to describe a sexual situation. When two men engage in anal sex in the doggy style position their balls slap together, creating an effect much like that described above. Gay people often feel that such a situation is baroque.
"Bastian and Gabe got the Newton's Balls effect happening last night, I could hear it from next door!"
by Authur C. Commons April 20, 2008
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Where a woman gets double penetrated by 2 guys and their balls clash in the middle, essentially clacking like a set of Newtons Balls.
Dude, i had the weirdest sex last night. I was having a threesome with another chick and a dude and i swear there was some serious Newtons Balls flying about.
by Darryl Godoy May 20, 2008
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When three or more willing homosexuals are having simultaneous anal intercourse(like so - >>>). The furthermost partys testicles swing away gaining momentum, swings back and hits the middle partys testicles, but due to the fact that the middle partys testicles are still in contact with the foremost partys testicles, it does not move but releases the energy into the foremost parties testicles swinging them forward, thus giving the "newtons cradle" effect.
Keith: Hey, have you seen that video online? its got the record for the most downloads in a single hour.
George: Nah what is it?
Keith: Its a video of Ricky Martin, Clay Aiken, Tom Cruise and Vin Diesel Newton Balling
George:WHAT THE F$#K!!
by testy365 July 1, 2009
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When a man's two testicle collide within the scrotum resulting in a painful feeling. Much like that desk toy with the swinging balls.
Why'd you stop running?
I have Newton Balls
by Gordonopus September 5, 2010
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When a woman is being double penetrated and the 2 mens balls clash together, like a set of Newtons balls.
Dude, i was totaly like doin a chick last night and i swear there was some Newton's balls action going on, it was freaky!
by Darryl Godoy May 24, 2008
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When you are at a sauna after working out and you are naked and start rocking hips side to side as to hit their balls together.
Guy 1: Dude I was at the gym and some guy was playing Newton Balls next to me.
Guy 2: Ewwww.
by noobslaya703 May 17, 2011
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When guys scissor and their balls smash together
by hobowdahhhh January 26, 2017
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