hair
bad hair day: seebad.
hair of the dog a 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.
1987Bruce Allen PoweThe 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.
a hair's breadth a very small amount or margin.
get someone by the short hairs: see get someone by the short and curlies atshort.
in (or out of) someone's hair annoying (or ceasing to annoy) someone. informal
keep your hair on! used to urge someone not to panic or lose their temper. British informal
let your hair down behave wildly or uninhibitedly. informal
make someone's hair curl: seecurl.
make someone's hair stand on end alarm or horrify someone.
neither hide nor hair of: seehide.
not harm a hair of someone's head: seeharm.
not turn a hair remain apparently unmoved or unaffected.
put hair (or hairs) on your chest (of alcoholic drink) revive your strength. informal
split hairs make small and overfine distinctions.
☞ This expression was first recorded in the late 17th century. Split straws, dating from the 19th century, is a less common version.
tear your hair out: seetear.