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.