To move back and forth or from side to side, as if about to fall
To walk unsteadily
To be irresolute in acting or doing
The tree should not wobble at the top of the root ball.
This will help keep your hand steadier, resulting in a better line that doesn't wobble unevenly.
Eventually, one of the furry characters will wobble or rolls its eyes at you.
Look for a solid-feeling stock that doesn't bend or wobble easily.
They tend to sway when they stand or sit and wobble when they walk.