Dog Body Language #6 Sometimes dogs flick their tongues or lick their lips at times that are not associated with eating or drinking. It often indicates that they are uncomfortable. Next time Why do dogs sleep with their tongues out? Snoozer Pets Does your dog stick out his tongue after barking? Did you know your dog's tongue can reveal how hot they are? @passionatelypets shares four tongue shapes to watch for during warmer weather: Cool & Comfortable: When a dog is relaxed Why are my Dog's Teeth Chattering? Little Silver Animal Hospital Panting To Pup sicles: Why Do Dogs Stick Their Tongue Out? The Cat and Dog House