1. USA 2. UK.
A shot in the arm
USA, initially alluding to a shot of drugs but now used without that connotation.
A taste (or dose) of your own medicine
Aesop.
As high as a kite
1. Britain - 17th century. It probably refers to Red Kites, birds that were common in the UK in the 17th century, rather than children’s kites. 2. USA.
Basket case
USA.
Day surgery
Britain, mid 20th century.
Funny farm
Hair of the dog
England, 16th century.
Knee jerk reaction
Britain, 19th century. Driving from the medical test involving tapping the knee.
The heebie-jeebies
USA, 20th century. The origin isn’t known but heebie-jeebie was formerly the name of a dance.
Uncle Dick
Britain.
Under the weather
You are what you eat
USA, 1920s.
Entry 1
A bad break
Meaning 1. A misfortune. 2. A serious bone fracture.
Usage 1. USA. 2. Widely used.
Example
- 1. Tony has lost his job, just when he needed the cash to move house. That’s a bad break. 2. Tanya’s leg was crushed when the rock fell on it - a really bad break the doctor said.
Entry 2
A shot in the arm
Meaning A boost or encouragement.
Usage Worldwide, very commonly used.
Example
- I was out on my feet after ten miles’ running but seeing the kids cheering me on was a real shot in the arm.
Entry 3
A taste (or dose) of your own medicine
Meaning Mistreatment you receive in retaliation to that you gave to others.
Usage Widely used.
Example
- You always made me work on Christmas Day when I was the junior. Now I’m in charge of the holiday rota and you can take a dose of your own medicine.
Entry 4
As high as a kite
Meaning 1. Very high up in the sky. 2. High on drugs or excitement.
Usage 1. In the UK. 2. Worldwide.
Example
- 1. The Petronas Tower is as high as a kite. 2. She was ecstatic that she won the gold medal. She was high as a kite afterwards.
Entry 5
Basket case
Meaning A person or thing that is no longer able to function effectively, either through disability or misfortune.
Usage Worldwide.
Example
- The Greek economy took a nosedive after the 2008 world financial meltdown - to the point of becoming a total economic basket case.
Entry 6
Day surgery
Meaning Minor surgery that does not require the patient to stay in hospital overnight.
Usage Worldwide.
Example
- I've got to have a gallstone op - luckily it doesn't take long. It will be a day-surgery job.
Entry 7
Funny farm
Meaning A mental hospital.
Usage Worldwide.
Example
- Sadly, Jack was so psychotic they had to take him to the funny farm.
Entry 8
Hair of the dog
Meaning An alcoholic drink, intended to cure a hangover. It is mistakenly believed that a small measure of the same drink that made a person drunk will sober them up and cure the drinks ill effects. The expression is also used in other contexts, whenever an additional dose of whatever caused a problem is thought to be an appropriate remedy.
Usage Worldwide.
Example
- I feel rough. I shouldn't have had those last six tequila slammers last night. Here goes another - maybe it will be the hair of the dog.
Entry 9
Knee jerk reaction
Meaning A quick and automatic response.
Usage Worldwide.
Example
- When Isis bombed Paris the knee-jerk reaction was to bomb them back.
Entry 10
The heebie-jeebies
Meaning A state of nervous anxiety or fear.
Usage Worldwide.
Example
- I didn't like staying in that old house overnight. The creaks and bumps gave me the heebie-jeebies.
Entry 11
Uncle Dick
Meaning Cockney rhyming slang for sick.
Usage Mostly Britain.
Example
- Sorry, I won't be into work today. I'll feeling Uncle Dick.
Entry 12
Under the weather
Meaning Feeling ill.
Example
- I've had a sore throat all week, now it's turned to a cold. I'm feeling right under the weather.
Entry 13
You are what you eat
Meaning What you eat affects you health.
Usage Worldwide.
Example
- Burgers every evening? That's not a good plan - don't you know you are what you eat?