WRIGGLING
wiggly, wriggling, wriggly, writhing
(adjective) moving in a twisting or snake-like or wormlike fashion; “wiggly worms”
Source: WordNet® 3.1
Verb
wriggling
present participle of wriggle
Noun
wriggling (plural wrigglings)
The act of one who wriggles.
The child's constant wrigglings made her difficult to hold.
Source: Wiktionary
WRIGGLE
Wrig"gle, v. i. [imp. & p. p. Wriggled; p. pr. & vb. n. Wriggling.]
Etym: [Freq. of wrig, probably from OE. wrikken to move to and fro;
cf. LG. wriggeln, D. wrikken, Sw. vricka, Dan. vrikke.]
Definition: 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.
Wrig"gle, v. t.
Definition: To move with short, quick contortions; to move by twisting and
squirming; like a worm.
Covetousness will wriggle itself out at a small hole. Fuller.
Wriggling his body to recover His seat, and cast his right leg over.
Hudibras.
Wrig"gle, a.
Definition: Wriggling; frisky; pliant; flexible. [Obs.] "Their wriggle
tails." Spenser.
Source: Webster’s Unabridged Dictionary 1913 Edition