The word "Piffle" used in a sentence. . .

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Dorothy L. Sayers is quoted as saying, “If anybody ever marries you, it will be for the pleasure of hearing you talk piffle.”

Do you know what the word "Piffle" means? If you do, congratulations. If you don't, here is the definition of the word Piffle. 

Dorothy L. Sayers will go down in history for many accomplishments. 'Marriage counselor' or 'relationship expert' will not be one of them.