"The enemy, that dirty dog, he goes and has plans of his own."

Throughout the meal she fed her dirty old white dog on its chain.

I dare say it may have been a gold mine to him, the dirty dog.

"I can always tell a dirty dog in a fight, and a good judge will alwayssee it."

Yeah, the other guy sometimes has plans of his own, the dirty dog.

But some dirty dog must have checked his registry, and now the police had sniffed him out.

I know they're dirty dogs in other ways, of course.

He had to do something, anything, now, before these dirty dogs could act on their plan to slice up the cutter.

He's a dirty dog in some ways, but he doesn't lie.

And once it has passed into this dirty dog's possession, it's going to be more difficult.