By that agreement, President Roosevelt in 1941 gave Canada's war industry a shot in the arm.

Renzo Piano's skyscraper, which will be Europe's tallest building, may provide a shot in the arm for London.

The president claims the economy needs a shot in the arm now, but Republicans say the nation should not widen the deficit.

You get a win and suddenly the crowd’s on your side again. It was a shot in the arm for two reasons. First, when we work together, we are stronger. Second, this isn’t a done deal.

Shot in the arm

Meaning

Noun