WIGGLE
wiggle, wriggle, squirm
(noun) the act of wiggling
jiggle, joggle, wiggle
(verb) move to and fro; “Don’t jiggle your finger while the nurse is putting on the bandage!”
Source: WordNet® 3.1
Etymology
Verb
wiggle (third-person singular simple present wiggles, present participle wiggling, simple past and past participle wiggled)
(transitive, intransitive) To move with irregular, back and forward or side to side motions; To shake or jiggle.
Noun
wiggle (plural wiggles)
A rapid movement in alternating opposite directions, not necessarily regular.
(figurative) An alternating state or characteristic.
(in the plural) See wiggles.
Source: Wiktionary
Wig"gle, v. t. & i. Etym: [Cf. Wag, v. t., Waggle.]
Definition: 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.]
Wig"gle, n.
Definition: Act of wiggling; a wriggle. [Colloq.]
Source: Webster’s Unabridged Dictionary 1913 Edition