/ ˈdʒɪgl; NAmE / verb
( informal ) to move or make sth move up and down or from side to side with short quick movements :
[ v ]
Stop jiggling around!
She jiggled with the lock.
[ vn ]
He stood jiggling his car keys in his hand.
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WORD ORIGIN
mid 19th cent.: partly an alteration of joggle , reinforced by jig .