hair of the dog
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the hair of the dog (that bit you)
An alcoholic drink consumed to remedy a hangover. The phrase comes from the notion that literally rubbing the hair of the dog that bit you on the wound would help it to heal. Wow, I feel terrible this morning. The only cure is the hair of the dog, I guess!
hair of the doga small quantity of alcohol taken as a remedy for a hangover. informal
The full form of this phrase is hair of the dog that bit you . Hair from a rabid dog was at one time thought to be a remedy against the effects of its bite; in this expression, the recommended cure for a hangover is a small amount of the cause of the problem.
1987 Bruce Allen Powe The Ice Eaters Murray, still feeling the effects of the previous evening, had suggested they go into a bar because he needed a hair of the dog.