Dogs will flick their tongue as an appeasement signal but also as a signal they're relaxing. While similar each signal has subtle differences. I will do posts on both. The tongue flick 2PCS Shaky Ball Dog Toys USB Rechargeable Vibrating Balls That Bounce And Move Automatically Dogs will flick their tongue as an appeasement signal but also as a signal they're relaxing. While similar each signal has subtle differences. I will do posts on both. The tongue flick The dog sticks out the tip of his tongue V.O.G DOG Tongue Out Dog GIFs Find & Share on GIPHY