This
database is a comprehensive collection of all the American idioms and slang available.
American Idioms are many and varied. We hope you enjoy our collection. We are adding more all the time.
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To have loose lips means to have a big mouth, susceptible to talking about everything and everyone. Sinking ships refers to anything from small acquaintances to long and hearty relationships (with friends or a significant other). So when one says loose lips sink ships, one is basically saying if you can't shut up you are going to end hurting people, usually psychologically or emotionally.Loose lips sink ships comes from World War I and/or WWII, when sailors on leave from their ships might talk