The phrase loose lips sink ships is a warning to be careful about what you say publicly. It stems from propaganda posters from World War II that proclaimed “Loose Lips Sink Might Sink Ships,” meaning that anything you say could be overheard by an...
On the occasion of National Grammar Day, University of Illinois linguist Dennis Barron has pointed out some arresting posters from a wartime version from the early 20th century. They’re from a 1918 Chicago Women’s Club initiative called Better...