Maskercising 

The repetitive motion of taking on and off your mask.

I've been maskercising to avoid spreading germs

Maskercising by Jewel5 July 28, 2020

Masturcising 

The act of masturbating while on a piece of exercise equipment.

Instead of running on his treadmill, he likes to stand on it and jerkoff. He's totally into masturcising but he won't get fit or lose weight that way!

Masturcising by Workout November 11, 2011

masturcising 

Masturcising is a form of exercise in which the person only masturbates instead of a more traditional form of exercise such as running.

"Alex put on his workout clothes and hit his bedroom for some masturcising."

masturcising by Koolaide Man February 12, 2010