Definition from Wiktionary, the free dictionary
Related to Old English wrigian (“to turn”).
- Rhymes: -ɪɡəl
- (intransitive) To slightly twist one's body and quickly move one's limbs.
- Teachers often lose their patience when children wriggle in their seats.
- 1972, Carlos Castañeda, The teachings of Don Juan: a Yaqui way of knowledge, page 78:
- I tried to ease my grip, but my hands were sweating so profusely that the lizards began to wriggle out of them.
- (transitive) To cause to or make something wriggle.
- He was sitting on the lawn, wriggling his toes in the grass.
Derived terms 
to twist one's body and move the limbs
wriggle (plural wriggles)
- A wriggling movement.