Why Does My Dog's Tongue Stick Out? I Love My Chi Why Do Dogs Pant? Why do dogs sleep with their tongues out? Snoozer Pets Facts About Dogs Tongue You Did Not Know MyFurries Blog Ever seen a dog flick their tongue and vibrate their jaw after sniffing something interesting? This is called the Flehmen response. Its a special technique dogs use to enhance their sense of smell, My DOG Keeps Sticking Their TONGUE Out (9 Causes and Solutions)