Went up to Francis peak and a few trials. Still snow on ground, had to put in 4lo twice. If had had lockers I wouldn't have need to. What fun is that! Also found a hidden stump that showed how flimsy the stock fuel tank skid plate is.
You're using your equipment as intended, which is fantastic! Getting a piece of equipment "dirty" typically entails testing it under the circumstances for which it was intended, such as off-road riding, a challenging task, or simply a novel experience.
Depending on what "Rox" means, you may be discussing:
Rox Motorcycle handlebar risers are used to change the handlebar's position, usually for more comfortable standing off-road. Getting them "dirty" means you've ridden your bike on dark humor gamertags dirty roads or trails.
A Vehicle: You may be referring to an off-road or rough terrain vehicle, such as a Mahindra Thar Roxx or a Citi Rox.
Rich and Rox's "Dirty Laundry" is a well-known book about having ADHD.