I fidget a lot to make sure I fit my seat. Hope This Helped :)
The word is fidget.
Tremble, shuffle, twitch, fidget
Midgetal (but that's not a word -yet- )
edgiest
Another word for jiggle would be fidget. You could also say wiggle or twitch.
Wriggle, wiggle, fidget, twist, worm, writhe...
Midget, Brigette, Fidget... um... all I can think of.
Here you can download working cheat for shakes and fidget http://freecheatscodes.net/shakes-fidget-hack-cheat-2013-for-mushrooms-gold-download/
DigitWidgetMidgetBridget
fidget
you get a pigiot and stuff it in a cauldron and vala! a fidget ball! P.S. put a pokeball in the cauldron too.