Jiggle

Noun

 * 1) a weak, shaking movement.
 * Give the key a jiggle and see if it opens.

Verb

 * 1)  To shake something gently; to rattle or wiggle.
 * Jiggle the handle and see if the water stops.
 * 1)  To shake, rattle, or wiggle.
 * The jelly jiggled in the bowl for a few moments after it was set down.

Derived terms

 * jiggly

Thesaurus
agitate, bob, bobble, bounce, bump, didder, dither, falter, fidget, flick, flip, flirt, flounce, grimace, have the fidgets, hitch, itch, jar, jerk, jig, jigger, jigget, jog, joggle, jolt, jostle, pluck, quake, quaver, quiver, rictus, shake, shiver, shock, shudder, snake, snatch, start, sudden pull, tic, tremble, tremor, tweak, twitch, twitter, vellicate, wiggle, wobble, wrench, wriggle, yank, yerk