To learn or be told the truth, facts, or most pertinent information about something. Oh, I got the low-down from him: he has some great business opportunity lined up, but naturally, he needs to borrow a few thousand dollars to get it going. You'll get the low-down on day-to-day tasks around the office from Jane.

To share the truth, facts, or most pertinent information about something with one. OK, let me give you the low-down: I've got a great business opportunity lined up, but I need to borrow a few thousand dollars to get it going. This is Jane—she'll give you the low-down on day-to-day tasks around the office.