Isn't the word doodle wonderful? It's not just great for saying ... it's great for playing. Give it a try! What can you make out of the letters of doodle?
If you'd like to doodle online, let me point you toward Napkin Notebook again.
P.S. I'm not sure you can post drawings, but you can always email your masterpieces to me!
P.P.S. This is a creativity exercise. Make up your own rules. Use some of the letters. Use all of the letters. Doodle in color. Doodle in ketchup. Whatever you do do doodle will be brilliant. I guarantee it.