Dualbooting 

verb
Computer Terminology
The action of installing and using 2 Operating Systems on a single PC

I use both Windows 11 and Ubuntu on my PC via Dualbooting

Dualbooting by Wixkslfjdkfirjeje January 27, 2024

Dualoofing 

The act of 2 people, usually twins, acting standoffish and detached from society but publish their ills on social media.

Chris and Steve must of been dualoofing again because they were posting obtuse and cogent things on Facebook.

Dualoofing by Ohyeahr December 2, 2018