A family saying loose lips sink ships is a joking warning to keep a secret, not pass it on. Sharon from Omaha, Nebraska, grew up with her grandfather using it any time a confidence was at stake. The expression dates to World War II propaganda...
soft ribs n.pl.— «“Canada has “soft ribs’” said Mr. Chen, 38, using a colloquialism that means it doesn’t have much armour around its sensitive state organs.» —“Canada called easy target for spies” by Colin...