It's an amusing idea, of course, a nice play on words.

Getting rather desperate now, but after six hours' discussion Stan had a rather amusing idea.

An amusing idea, if one that often confused matters.

We said nothing further to this amusing idea.

An amusing idea, but do you really think sister dear would like to see me back .

Many times he'd laughed at this device in a Fraffin story, but now he found the idea less than amusing.

Did we think it was an amusing idea?

For an example: the bit with the rat chasing the author is a fine and amusing idea, but it went on far too long.

You have to bash somebody these days, and bashing Bush sounded like an amusing idea.

I wonder if he still thinks it was an amusing idea.