big idea

You've got a big idea, but it's not out of swaddling clothes.

For some of them, while they are decent enough, have a big idea of their own importance.

I understood there was a big idea, a great cause behind it all.

Well, if you've been talking to her what's the big idea in talking to me?

This is a big idea, my friend; but I believe God may be in it.

Stopping squarely in front of them, he demanded, "What's the big idea?"

And while I'm shavin' next mornin' I connect with the big idea.

Dr. Evans is a great inventor, and every once in a while he has a big idea.

What was the big idea of giving me such a case of heart failure?

Well, said Myron, now that I have got mad, whats the big idea?