Space crank

When two guys self masturbate while seated in a back to back position. This practice stems from the astronaut practice of masturbating back to back to avoid being shot backwards after climax in zero-gravity space

Lieutenant McRae was hoping Commander Bolton would join him in a space crank so the two could safely jack off aboard the ISS without fear of flying backwards into the control panels.

Space crank by Lord of Nations August 8, 2022

Crank Space 

A part of your living quarters or comfortable spot where you like to masturbate.

Mike: "Over here is the kitchen, there's the bathroom, and on that bean bag in the corner is my crank space."

Mark: "Righteous!"

Crank Space by mickenzie92 February 6, 2010