Earlier quoted context omitted.
Go read any of Dorothy Sayer's Peter Wimsey novels --- not only are they excellent, but they're an interesting insight into upper-class cultureof the 1920s. The main character says this a lot.
Says what, though? I'm just looking for a single sentence that demonstrates the particular usage.
http://www.gutenberg.ca/ebooks/sayers-busman/sayers-busman-0...