Understanding canine body language is crucial for ensuring the safety of both veterinary staff and patients. In this video, Dr. Thomas Hamilton explains the significance of tongue flicking, or lip Dogs will flick their tongue as an appeasement signal but also as a signal theyre relaxing. While similar each signal has subtle differences. I will do posts on both. , The tongue flick is a signal Why Is My Dog Sticking Out His Tongue? TrustedHousesitters.com Why does my dog's tongue always stick out? When it's cute and when to worry AS USA Day 22: Tongue Flick = Uncomfortable? What Is Hanging Tongue Syndrome In Dogs? Signs & Causes