The word wiggle-waggles is often used to describe movements that are erratic and unpredictable. Synonyms for this term include wavers, jiggles, shimmies, sways, and quivers. Other words that can be used to describe this type of movement include oscillations, vibrations, tremors, and fluctuations. The use of these synonyms can help to add variety and depth to descriptions of physical motion in writing or speech, and can help to convey a sense of excitement or instability. Whether used to describe the movement of a person or an object, these synonyms are all effective ways to convey a sense of energy and movement.