He must have known she didn't give a rat's ass about him.

I don't give a rat's ass what you try to do to me.

They won't give a rat's ass whether you can live there or not.

They don't give a rat's ass what happens to us.

I don't give a rat's ass for anyone around here, you know that?

I don't give a rat's ass what she wants either.

And I don't give a rat's ass about what any of the other men think.

Maybe they were talking sports, which I don't give a rat's ass about.

Other than that, most of us don't give a rat's ass about who runs the place.

Not that he would give a rat's ass, she thought.