1) Compose a quick note 2) Leave in a hurry 3) Leave quickly 4) Scribble 5) Write hastily 6) Write in a hurry 7) Write quickly 
[v] - write quickly, as of letters or notes
scratch off verb write quickly; `She dashed off a note to her husband saying she would not be home for supper`; `He scratched off a thank-you note to the hostess`