Demonstrates puppy love, 4 letters
Dog's tail movements, 4 letters
Friendly dog shakes, 4 letters
Goes back and forth, 4 letters
Greetings from a friend?, 4 letters
Habitual joke crackers, 4 letters
Moves a finger, in a way, 4 letters
Moves from side to side, 4 letters
Moves like a gossip's tongue, 4 letters
Moves, as a dog's tail, 4 letters
Shakes indicating affection, perhaps, 4 letters
Shows elation, as Fido, 4 letters
Some friendly greetings, 4 letters