wiggly

Adjective

wig=gly

WORDNET DICTIONARY

wiggly(s = adj.all) sinuate, sinuous - curved or curving in and out; "wiggly lines"
wiggly(s = adj.all) wriggling, wriggly, writhing - moving in a twisting or snake-like or wormlike fashion; "wiggly worms"

Derived forms noun wiggle₁, noun wiggliness₁

wiggly, adj. (wigglier, wiggliest) colloq.
1 showing wiggles.
2 having small irregular undulations.