doo·dle 
/ˈdu:dl̟/ verb
doo·dles; doo·dled; doo·dling /ˈdu:dl̟/ verb [no obj] : to draw something without thinking about what you are doing
▪ She doodled in her notebook instead of taking notes.
▪ She doodled in her notebook instead of taking notes.
— doodle noun, plural doodles [count]
▪ Her notebook was full of doodles.
▪ Her notebook was full of doodles.
