irregular, random wiggling, squiggle waving, wavy lines, stripe set. lines with billow, undulate deformation, distortion

bend billow billowy coil contort crawl crazy crisscross curl deformation devious distortion flicker flutter frizzle furl irregular jiggly jitter line oscillate ripple scribble set shiver sketch snake squiggle squiggly squirm stripe tumble twiddler twine twist twitch undulate vector wave waving wavy weird wiggle wiggling wobble worm wriggle writhe zigzag