If the money goes bad, you simply return it with the appropriate regretful noises.

If you're serious rather than just making appropriate noise !

As he moved with her through the rooms of the house, he made all the appropriate noises.

His eye on the wing mirror, Justin made appropriate soothing noises.

He made appropriate noises at the right places and listened attentively until the bitter end.

He moved quietly away, then came back with appropriate noise.

We went through our good-bye exercises, making appropriate noises.

Charlie made appropriate noises, which wasn't really necessary, since his partner was making enough for both of them.

He made appropriate noises upon being shown Rama's new pride and joy.

When they were both satisfied that she'd made all the appropriate noise, she'd accepted his check.