verb / noun
wiggle
WIG-ul/ˈwɪɡl/
A small, quick side-to-side or twisting movement.
She wiggles her raised finger from side to side.

Etymology
Middle English wigelen described weaving back and forth or undulating. The modern sense keeps that repeated motion, focusing on small, quick movements from side to side.
In context
I'm going to wiggle it side to side either using the oyster or your hand