Waggle

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.
3. (n.) A waggling or wagging;
4. (n.) the preliminary swinging of the club head back and forth over the ball in the line of the proposed stroke.