a. colloq. Also jiggity. [f. JIGGET v. + -Y; cf. rickety.] Characterized by jiggeting; having a jerky unsteady movement.

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1883.  G. H. Boughton, in Harper’s Mag., April, 687/1. I would not fix on a bustling, jiggity steamer as the best place … to sketch … on.

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