America's most entertaining language maven is back with more words to live by in his latest exploration of hot catchphrases, syntactical controversies, and other matters of national linguistic importance.

Before you scratch that seven-year-itch, you might want to know where it came from. And before someone blurts, "You just don't get it," perhaps you should consult the Pulitzer Prize winning language columnist on the origins of that snappy feminist motto.