An alcoholic beverage consumed as a hangover rememdy. The phrase comes from the expression "hair of the dog that bit you", meaning that the best cure for what ails you is to have some more of it. In ancient times it was literally used to say that if a dog were to bite you, putting the dog's hair into the wound would heal it. "Like cures like". This hangover remedy is not recommended because a) it leads to a bad habit of drinking during the day and b)it doesn't really work very well. Still, this method works about as well as most other hangover remedies.
Steve: Man, I'm really paying for all those keg stands I did last night.
Tony: Yeah, I'm hurting too. Hair of the dog?
Steve: Why not, man. We got a few beers left in the fridge.
by Paco February 26, 2005
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alcoholic beverage consumed to ease a hangover (from saying "hair of the dog that bit you")
by unknown November 6, 2003
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Drinking alcoholic beverages the morning after a night of heavy drinking. This is supposed to help relieve the hangover but really has no positive effects.
Bro I was so pickled on those margaritas last night. I have to go hair of the dog.
by Biden is a dick April 20, 2021
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This phrase comes from the old myth that if you got bit by a dog, and took a clump of that dog's hair and rubbed it on the wound, it would kill all the bactiria in the cut and help it heal faster. Modernly, this term is referred to as having such a hangover, you drink whatever you drank last night to help get rid off it.
Person 1: Dude, I got so drunk last night that I woke up with a ultra-hangover.
Person 2: Did you try using the hair of the dog?
Person 1: Yea, and I think I found the secret to eternal drunk.
Person 2: Nice.
by unit12p November 8, 2009
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When you have reached your limit of congeniality and someone is asking for it. You go "Hair of the Dog" on them. Meaning that they are now messing with a "Son of a Bitch"
If you don't stop with the insults, I am going to go all hair of the dog on your ass.
by No Note Me April 25, 2022
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Any alcoholic beverage, the consumption of which is supposed to clear up one's hangover from previous drinking (but will tend to have the opposite effect in reality). Origins of the phrase date back to medieval times, when hairs from a biting dog were put in the bite wound in the belief that this promoted healing.
Lloyd: What will you be drinking, sir?

Jack: Hair of the dog that bit me, Lloyd.

Lloyd: Bourbon on the rocks?

Jack: That'll do it.
by Carl Willis January 7, 2006
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Alcoholic beverage drunk the morning after a bender as a hangover cure. Time for a twelve step program.
F. Scott woke up at 10:00 and treated himself to a hair of the dog that bit him.
by octopod November 6, 2003
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