Scribble (verb)

1. To write or draw quickly and carelessly.
2. To make a rough drawing or sketch.

Origin:

Middle english scrybbelen, from old english scrīban, scrībban, from latin scribere, from scrībĕre to write.

Examples:

1. She scribbled a note to her friend.
2. He scribbled the address on a piece of paper.
3. He scribbled his signature on the contract.
4. The artist scribbled a quick sketch of the scene.
5. She scribbled a reminder in her calendar.