Stop press
Encyclopedia
"Stop Press(es)" is a phrase stemming from the printed news media
as an exclamation signifying the discovery of the need to change the content of an issue just before, or during its printing
Since this meant that the printing press
literally had to be stopped or delayed and much of the existing copies of a publication which had already printed had to be discarded - which carried extreme cost, it is a phrase indicating the arrival of extremely significant news or the discovery of an extremely grave error. The phrase is common in an idiomatic context, referring to the discovery of significant information - perhaps most frequently used ironically .
Newspaper
A newspaper is a scheduled publication containing news of current events, informative articles, diverse features and advertising. It usually is printed on relatively inexpensive, low-grade paper such as newsprint. By 2007, there were 6580 daily newspapers in the world selling 395 million copies a...
as an exclamation signifying the discovery of the need to change the content of an issue just before, or during its printing
Since this meant that the printing press
Printing press
A printing press is a device for applying pressure to an inked surface resting upon a print medium , thereby transferring the ink...
literally had to be stopped or delayed and much of the existing copies of a publication which had already printed had to be discarded - which carried extreme cost, it is a phrase indicating the arrival of extremely significant news or the discovery of an extremely grave error. The phrase is common in an idiomatic context, referring to the discovery of significant information - perhaps most frequently used ironically .