a shot in the arm
This page is about the idiom a shot in the armINFORMAL
You can say something is a shot in the arm if it gives a person or an organisation renewed energy or enthusiasm.
- Getting a grant from the Arts Council was a much-needed shot in the arm for the orchestra.
- We all agree that the economy needs a shot in the arm, but we can't agree on exactly what it should be.
Origin: Related to the medical practice of injecting drugs into sick people. These injections are sometimes called "shots" and they are often administered into the arm.
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Contributor: Matt Errey