Definition of "hair-curling" []

• Exciting, astonishing, frightening, or horrifying. (adjective)

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• "Annis - I haven't read the Ariana Franklin books but have read some hair-curling things about them..."
• "For a concise, hair-curling summary of how (if not, fully, why) we invaded Iraq, one can do worse than read Mark Danner's long, great essay "Iraq: The War of the Imagination" in the current issue of the New York Review of Books."
• "For a truly hair-curling reading experience, gaze at Revelation Unveiled, by Tim Yes-That-Tim LaHaye."