Curlicue
Part of speech: noun
Definition: A fancy twisting or curling shape made from a series of concentric circles.
Part of speech: verb
Definition: To make or adorn (something) with curlicues, or as if with curlicues
Squiggle
Part of speech: noun
Definition: a short twisting or wiggling line or markthe tildean illegible scrawl
Part of speech: verb
Definition: to wriggle or squirmto make a squiggleto write (something) illegibly