I found the phrase ‘make a buck off’ in the following lead copy of the article of Time magazine (July 15) titled ‘Carmaggedon: It May Be a Bust, but It's Already a Bonanza,’ reporting the chaos caused by July 16–17 closure of the 405 freeway in Los Angeles:
“Hysteria is everywhere, but that may just mean that people will stay off the roads. In any case, lots of folks are out to make a buck off fearmongering about the 405.”
I did not find the definition of ‘make a buck off’ in dictionaries at hand, but was able to find the examples of usage such as ‘Eight ways to make a buck off vacationers,’ ‘make a buck off sluggish dollars,” and ‘make a buck off winter’s weird weather’ in Google. From these examples I guessed the phrase means ‘to take advantage of,’ or ‘make a profit from.’ Am I right?
Best Answer
As stated by drm65, making a buck off something does mean making money off it.
In the example you gave, there were people who were about to
Having just read a version of the article, there are quite a few businesses mentioned to be cashing in on the situation. (Many of the businesses are using the opportunity to increase business by targeting their advertising, or offering discounts to the many people who have chosen to stay in, rather than travel, during the highway closure.)
With regard to the word buck meaning money (or specifically, a dollar), I think that came from the idiom pass the buck, which originated as poker terminology. This is what The Phrase Finder had to say on the topic: