Every dog owner has experienced their pooch shaking off water after a bath or a walk in the rain. But what about other instances of dog shivering, shaking, or trembling? A dog tremble, shake, or shiver can mean all kinds of different things — some good and some bad. Let’s break down each of them. Happy or Positive Shakes and Shivers Drying Off We already mentioned this one, but it’s worth noting that there is absolutely nothing wrong with your dog shaking off excess water after getting wet — other than getting your house and you wet, of course!