Rachel Riley, 35, has teased her Countdown co-host, Susie Dent, 56, when she answered a fan's question, "should we be suspicious of lexicographers?" in view of her 669,000 Twitter followers.Susie, the long-time Dictionary Corner resident, sparked interest earlier when she tweeted about the relationship between slang and punctuation.Earlier today, the self-proclaimed 'woman in Dictionary Corner' Tweeted an insightful fact about the relationship between a certain type of punctuation and its etymology: "The dog's b*******' began as typographers' slang for the colon dash because of its appearance :-"Its meaning shifted to follow other formulae of excellence, such as 'the cat's whiskers', 'the bee's knees', and the sadly-lost 'kipper's.
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