Meaning of the word "the hair of the dog (that bit you)" in English

What does "the hair of the dog (that bit you)" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

the hair of the dog (that bit you)

US /ðə hɛr əv ðə dɔɡ (ðæt bɪt ju)/
UK /ðə hɛə əv ðə dɒɡ (ðæt bɪt ju)/
"the hair of the dog (that bit you)" picture

Idiom

an alcoholic drink taken to cure a hangover

Example:
After a night of heavy drinking, he needed the hair of the dog to feel better.
Some people swear by the hair of the dog as a hangover cure.