Squiggles are wavy or curly lines that are drawn or written.
Squiggles are often seen as fun and playful, like in a child's drawing.
Examples:
She drew some colorful squiggles on the paper.
The little kid squiggles all over the walls with crayons.
I see squiggles on the chalkboard.
The cat squiggles through the maze of boxes.
The artist's painting is full of squiggles and swirls.
I squiggle on the paper with my marker.