a hair of the dog

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!
See also: bit, dog, hair, of

a hair of the dog

SPOKEN
A hair of the dog is an alcoholic drink that someone has to try to make them feel better after drinking too much alcohol the day before. I need a drink, chum. A large hair of the dog. Note: You can also talk about a hair of the dog that bit you. Now he was feeling worse and wondering if a hair of the dog that bit him might not set him up for the day. Note: There was an old belief that if a person was bitten by a mad dog, they could be cured by putting some hairs from the dog's tail on the wound.
See also: dog, hair, of
References in periodicals archive ?
Angela Parsons, Stirling A HAIR of the dog is a small measure of drink intended to cure a hangover.