10 Reasons Dogs Tremble Panting To Pup sicles: Why Do Dogs Stick Their Tongue Out? The Cat and Dog House 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 Ever seen a dog flick their tongue and vibrate their jaw after sniffing something interesting? This is called the Flehmen response. It's a special technique dogs use to enhance their sense of Why is my dog vibrating?