My car is living its best dirty life.
My car is so dirty, even the birds are confused where to aim.
My car is so dirty, I'm considering entering it in a dirtiest car contest.
My car is embracing its natural dirty look.
I think my car is trying to grow a garden on its exterior.
My car is channeling its inner off-road spirit with all this dirt.
My car is so dirty, it's starting to look camouflaged!