01 v. t. & i. To move to and fro with a quick, jerking motion; to bend rapidly, or with a wavering motion, from side to side; to wag; to squirm; to wrigg…
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To move to and fro with a quick, jerking motion; to bend rapidly, or with a wavering motion, from side to side; to wag; to squirm; to wriggle; as, the dog wiggles his tail; the tadpole wiggles in the water.[Prov. Eng. & Colloq. U. S.]