DICT.TW Dictionary Taiwan

 Wrig·gle v. i. [imp. & p. p. Wriggled p. pr. & vb. n. Wriggling ]  To move the body to and fro with short, writhing motions, like a worm; to squirm; to twist uneasily or quickly about.
 Both he and successors would often wriggle in their seats,
  as long as the cushion lasted.   --Swift.