SQUIRM
wiggle, wriggle, squirm
(noun) the act of wiggling
writhe, wrestle, wriggle, worm, squirm, twist
(verb) to move in a twisting or contorted motion, (especially when struggling); “The prisoner writhed in discomfort”; “The child tried to wriggle free from his aunt’s embrace”
Source: WordNet® 3.1
Etymology
Verb
squirm (third-person singular simple present squirms, present participle squirming, simple past and past participle squirmed)
To twist one's body with snakelike motions.
Synonyms: writhe, wriggle
To twist in discomfort, especially from shame or embarrassment.
Synonym: fidget
To evade a question, an interviewer etc.
Noun
squirm (plural squirms)
A twisting, snakelike movement of the body.
Source: Wiktionary
Squirm, v. i. [imp. & p. p. Squirmed; p. pr. & vb. n. Squirming.]
Etym: [Cf. Swarm to climb a tree.]
Definition: To twist about briskly with contor
Source: Webster’s Unabridged Dictionary 1913 Edition