Comic and Cartoon Lexicon Symbols

Researchers have found that stress is a leading cause of plewds — you know, those drops of sweat popping off the foreheads of nervous cartoon characters. That's one of several cartooning terms coined by Mort Walker, creator of the Beetle Bailey comic strip. Martha and Grant discuss this and other coinages from The Lexicon of Comicana. This is part of a complete episode.

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