The term "wiggle worm" is a common nickname for children who are very active and energetic, often moving around in an exuberant manner. Full definition
These days we have to bring a bit more to the cuddle table to engage with our busy wiggle worm. (chicagoparent.com)
Any diapering issues we've had, from odor, to leaks, to a squirmy wiggle worm, Tidy Tushees has been there with great ideas and solutions that have really worked for us. (tidytushees.ca)
And toddlers are more wiggle worms than bookworms. (bookpage.com)