The dirtiest.

He's the dirtiest slob on the planet.

This guy's the dirtiest pervert I swear.

Coal is the dirtiest energy on earth.

Coal is the dirtiest energy on earth.

Coal is the dirtiest energy on Earth.

He's also one of the dirtiest.

You're still the dirtiest soldiers in this man's Army.

I'll show you the ultimate the dirtiest of dirty tricks ...

lives a community of the dirtiest, most vulgar,