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.
Pronunciation
Idiom
A shot in the arm
What does "A shot in the arm" mean?
A boost or encouragement.
A shot in the arm
USA, initially alluding to a shot of drugs but now used without that connotation.