doodle

noun
1
a line, shape, etc. that you have drawn when you are bored or thinking about something else
خط خطی, نقاشی بی هدف, طرح بی معنی
verb
1
to draw lines, shapes, etc., especially when you are bored or thinking about something else
نقاشی بی هدف کشیدن, خط خطی کردن