shimmying

To perform a shimmy (dance movement involving thrusting the shoulders back and forth alternately).

To climb something (e.g. a pole) gradually (e.g. using alternately one's arms then one's legs).

“He shimmied up the flagpole.”

To vibrate abnormally, as a broken wheel.

To shake the body as if dancing the shimmy.

To move across a narrow ledge, either by hanging from it or by strafing on it along the wall.