To tilt back and forth on an edge.
To be close to becoming a typically negative situation.
To be indecisive.
A teeter-totter or seesaw.
To twist and turn; to wriggle; to roll over.
To feel nauseous, to churn (of stomach).
To wobble, to totter, to waver; to walk with an unsteady gait.
An unsteady walk; a staggering or wobbling.
A rumble of the stomach.