jiggly
adjective
informaluk/ˈdʒɪɡ.əl.i/us/ˈdʒɪɡ.əl.i/movingfromsidetosideor up and down withquickshortmovements, orableto do this:
People are alwayscomplainingabout that jigglystuffaroundtheirmiddleknownasbellyfat.
Thecheesecakemay still be jiggly, likejelly.
- He's not afanof the film's jigglycamerastyle.
 - When something getshotthen itchanges. Itsmoleculesget all jiggly.
 - EveryJanuary,peopleresolvetolosetheirsparetyres,lovehandles, and other jigglybits.
 
Making short, sudden movements
- aquiver
 - convulse
 - convulsion
 - convulsive
 - cringe
 - flick
 - jerkily
 - jerkiness
 - jerky
 - jig
 - jiggle
 - quake
 - quiver
 - shaky
 - shudder
 - squirm
 - toss
 - tremulous
 - whip
 - worry atsomething