Adjective
squirmy (comparative squirmier or more squirmy, superlative squirmiest or most squirmy)
That squirms, writhes or wriggles.
For really a resistant toddler, try to do what you can before she gets too squirmy or escapes. Source: Internet
But I learned a valuable lesson along the way: This cloud thing is a squirmy, squishy-squashy thing, and getting our arms around it ain’t gonna be easy. Source: Internet