Why Do Dogs Stick Their Tongue Out? Potty Buddy Why Does My Dog Stick His Tongue Out? Causes Explained 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 Whether they're showing a little extra love or trying to tell you something's up, a dog's tongue can say a lot Understanding these behaviors helps us build a stronger, more