Dam is a noun, a thing that kind of blocks the flow of water in a river. We also have damned as a kind of swear word or dam like God dam or damned like those damn kids. D-A-M-N-E-D and Dam are homophones which means 'hold your horses' You could say zip it meaning close your mouth. Shh. That's another way of making someone stop talking. Be quiet. Zip it. On a coat, zip. Zippo - Hold Your Horses. It means weight. And if you can't hear me? Then I'm not sure what to tell you.