Wabble
Wabble (wob"b'l) , intransitive verb
[Compare Prov. German wabbeln to wabble, and English whap. Compare Quaver.]
To move staggeringly or unsteadily from one side to the other; to vacillate; to move the manner of a rotating disk when the axis of rotation is inclined to that of the disk; -- said of a turning or whirling body; as, a top wabbles; a buzz saw wabbles.
Wabble , noun
A hobbling, unequal motion, as of a wheel unevenly hung; a staggering to and fro.