The saying "hair of the dog" comes from an old folk remedy suggesting that a cure for a rabid dog bite was to apply the same dog's hair to the woundâlater evolving to mean drinking more alcohol to cure a hangover.
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The saying "hair of the dog" comes from an old folk remedy suggesting that a cure for a rabid dog bite was to apply the same dog's hair to the woundâlater evolving to mean drinking more alcohol to cure a hangover.