The act of drawing images on your skin with a pen. This is commonly done in primary and middle school, sometimes it can happen in high school. This act is mostly done by artsy people who weren't allowed to bring a sketchbook to class.
The images are usually drawn on the arms and sometimes legs. Depictions of mandalas and flowers are a pretty common sight.
. whats on Megan's arms!?
Jack: Oh yea. she was bored in English class and decided to do The Indie