English

Noun

bang for the buck ‎(uncountable)

1. (idiomatic) Efficiency; cost-effectiveness; value.

   Do you think he would get as much bang for the buck out of a fancier, more expensive car?

Usage notes

[Vulgar] --- World War II GI slang for "liberty activities" of a sexual nature. Seeking the best bang for the buck, i.e., maximizing sexual gratification for the least amount of money, thereby saving his money for other purchases (drink/food)