wriggle

nouns

the act of wiggling
squirm, wiggle, wriggle
is derived from
wriggly

verbs

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"
squirm, twist, worm, wrestle, wriggle, writhe
is derived from
wriggler