Treadmillcar 

Treadmillcar, invented by popular YouTuber and musician Corpse Husband (aka Randall who grew up in the Mid East, Virginia who works in an automobile shop). It’s a car which you can walk and drive at the same time

Treadmillcar helps you run while driving

Treadmillcar by Corpse Husband’s Wife January 17, 2021

Treadmilarity 

The phenomenon of striking up conversations with people at the gym solely because you consistently find yourself on neighboring treadmills.

I don't even know his name, but we share a treadmill almost every morning. It's a weird kind of treadmilarity.

Treadmilarity by FriesAndTots August 10, 2023

Treadmillasaur 

Fat/obese person that goes on a treadmill only once, and thinks after doing so that they are healthy and losing weight.

Look at that Treadmillasaur, does that dumb bitch really think she is gonna lose 300 pounds in one day

Treadmillasaur by IlikeSnacksOnMonday October 1, 2010