Is a four pound robin fat............................?

The Execupundit offers a list of memorable expressions that make our language so much fun.  A few years ago, while driving with my kids, I said "there are more trucks on this road than you can shake a stick at."  The kids said, "What the hell does that mean?"  I was amazed they were not aware of such a fine expression.  They were sure it was just one more sign that the old man has lost it.