shot in the arm, a

Idioms  

1. A stimulus or booster, something vitalizing or encouraging, as in Getting a new concertmaster was a real shot in the arm for the orchestra. This colloquial expression alludes to a stimulant given by injection. [c. 1920]

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Example Sentences

"I had nothing to do with people not vaccinating in Samoa. I didn't tell anybody not to vaccinate," he said while being interviewed for "A Shot in the Arm," a documentary that covered the outbreak.

From Salon

“During a 162-game season, the grind of it, these kind of series, especially as we enter the dog days of summer and things like that, are series that gives give guys a little shot in the arm, a little life.”

From Seattle Times

It made getting a shot in the arm a really pleasant experience!

From Seattle Times

For everyone who has sheltered in place, for every worker who has seen their employer closed and for every child who has longed for a return to their classroom and beloved teacher, Mayor George Flaggs Jr.’s press release on April 13 was a shot in the arm, a glimmer of hope and spec of light in a dark tunnel.

From Washington Times

It was a shot in the arm a long time coming for Griffin.

From Seattle Times