Related Clues:
- Derby, for one
- Cross words?
- It's angry and often anonymous
- Unwanted messages
- Form of intimidation
- Often-anonymous intimidation technique
- Nastygrams
- Abusive letter that expresses loathing
- No love letters from him: a late developer
- Spooner's friendly greeting is anything but
- Find it intolerable to receive birthday cards and no love letters
- Poison pen letters
- Abusive stuff coming in torrent — troublemaker getting maiden trapped
- Poison-pen letters
- Post unsuitable for someone who wants to be liked?