From Skedaddle to Selfie

From baby boomers with ''groovy'' and ''yuppie,'' to Generation X with ''whatever'' and ''like,'' each generation inevitably comes to use certain words that are particular to its unique time in history. Those words not only tell us a great deal about the people in those generations, but highlight their differences with other generations.

In this entertaining compilation, Allan Metcalf, author of OK...