Why Does My Dog Sleep With Their Tongue Out? 10 Vet Reviewed Reasons Dogster 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 Reasons Why Your Dog's Tongue Sticks Out Sexy Forplay Far Far Away Star Wars White Bodysuit Princess Leia 2pc C Kali Kouture Boutique