Waggle/ˈwæɡl/ Definition 1 of 3Pro Tip 1/3Body Language Used to describe lively body movements that express feelings or signals. He waggled his eyebrows playfully at his friend. Pro Tip 2/3Friendly Gesture Often indicates friendliness or eagerness when done by animals or people. The puppy's excited waggle made everyone smile. Pro Tip 3/3Emphasize Enthusiasm Used to show enthusiasm or embellish a story being told. She waggled her fingers to show how the magician's hands moved.