a machine with a metal pipe connecting your wee-wee tip to your rectum. So when the operator of the machine ejaculates, all the semen funnels into his asshole in the hope of making the operator pregnant.

Rick: "Did you know Steve had a baby even though he's a man?"
Nick: "Yeah I heard he used a nut-butt contraption to make that happen."
Rick: "Damn, well how about that."

nut-butt contraption by the all-knowing boof May 24, 2023

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butt chug a nut

its when a thick ass bitch lets you let out your love juice in her poop soot.

Damn, Becky is about to butt chug a nut.

butt chug a nut by Jose S June 25, 2020

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nut to butt

a situation where a group of people usually males are packed into a small space and end up extremely close together

Everyone in this elevator is nut to butt.

nut to butt by heywouldjablowme April 28, 2004

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nut to butt

Guys riding 2-up on a motorcycle; or more generally, riding any 2-person device where one individual sits directly behind the other (second person being a male).

I wanted a ride on his motorcycle, but was uncomfortable going nut to butt.

nut to butt by keeena January 14, 2008

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