wiggle

colloq. v. (-ling) move from side to side etc. n. Act of wiggling; kink in a line etc.  wiggly adj. (-ier, -iest). [low german or dutch wiggelen]

v. t. 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.