shot in the arm, a
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]
Words nearby shot in the arm, a
shot clock,
shot effect,
shot glass,
shot heard round the world,
shot hole,
shot in the arm, a,
shot in the arm, a,
shot in the dark,
shot metal,
shot noise,
shot on goal