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What Does "Hair of the Dog" Mean?

Jim B.
Updated May 23, 2024
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"Hair of the dog" is an English idiom referring to the practice of drinking more alcohol to cure a hangover. Some people believe that doing so will actually lessen hangover symptoms, although, in actuality, drinking more alcohol may prolong the hangover. Using the "hair of the dog that bit you" means that someone is using the thing that caused the pain to cure it. The idiom has a historical basis, thanks to the antiquated belief that curing a dog bite required getting some fur from the dog that administered the bite and applying it on the bite area.

Using idioms in speech is a way to add extra expression and color to otherwise mundane details. Idioms gain a figurative meaning through popular usage in a culture, and this figurative meaning often diverges greatly from both the origins of the phrase and the literal meaning of the words involved. As such, idioms hold significant colloquial power in the language. One such idiom is the ancient phrase "hair of the dog," which is still in popular use today.

If someone uses this idiom, it means that someone, either the speaker or a person he or she is addressing or referencing, is suffering from a hangover. A hangover occurs when someone drinks too much alcohol, causing withdrawal symptoms from alcohol poisoning that can include headache and nausea. There is a belief that drinking a little alcohol will actually cure the hangover, or at least lessen its severity. This leads to someone taking the "hair of the dog."

As an example, imagine that someone drank far too much the night before and is feeling the effects of a hangover in the current morning. He might say, "I can't stand these headaches anymore; let me try a little hair of the dog to ease the pain." The implication in the sentence is that he will be drinking more alcohol to cure the pain that was caused by alcohol in the first place.

In most cases with idioms, the origins come from something that actually occurred or was even in common practice at some point in the past. This particular idiom refers to the mistaken belief that curing a dog bite required taking fur from the dog that made the bite and applying that fur to the wound. That is why the idiom is often used in its complete form, "hair of the dog that bit you."

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Jim B.
By Jim B.
Freelance writer - Jim Beviglia has made a name for himself by writing for national publications and creating his own successful blog. His passion led to a popular book series, which has gained the attention of fans worldwide. With a background in journalism, Beviglia brings his love for storytelling to his writing career where he engages readers with his unique insights.
Discussion Comments
By mrwormy — On Nov 06, 2014

I had way too much to drink at my roommate's graduation party, and all I could remember was waking up halfway up the stairs that led to my room. My roommate was passed out at the foot of those same stairs, and he unintentionally broke my fall. He was a professional bartender, so when he finally woke up I asked him what to do for a really bad hangover.

He told me to drink the hair of the dog that bit you. I thought he was kidding, but he said it worked for a lot of his customers. The idea wasn't to get drunk again, but to avoid shocking your system with total abstinence. A little more alcohol would ramp down the assault on your liver slowly and steadily, like weaning yourself off medication. I now know this is all completely untrue and unsafe, but at the time it seemed to make an odd kind of sense.

By RocketLanch8 — On Nov 05, 2014

Back in my drinking days, I tried the "hair of the dog" treatment more than a few times. I'm here to say it didn't work that well. I felt better for a little while because I was drunk again, but I still had a bad hangover later. I didn't even want to have another sample of what I had been drinking the night before. Tequila at ten in the morning doesn't taste any better than tequila at midnight.

The one thing that did help was drinking plenty of bottled water. I could tell I was really dehydrated, and nothing else sounded good to me as a morning-after beverage.

Jim B.
Jim B.
Freelance writer - Jim Beviglia has made a name for himself by writing for national publications and creating his own...
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