1. (v. i.) To reel, sway, or move from side to side; to move with a wagging motion; to waddle.

2. (v. t.) To move frequently one way and the other; to wag; as, a bird waggles his tail.

beat bob bobble careen coggle dangle fluctuate flutter lash librate lurch nutate oscillate pendulate pitch reel resonate rock roll shake squirm swag sway swing swinging switch toss twist and turn vacillate vibrate waddle wag wave waver wiggle wobble wriggle writhe