| Nastygrams |
| Cross words |
| Angry letters |
| Nasty letters |
| Fiery feedback |
| Venomous letters |
| Unwanted messages |
| Poison pen letters |
| Some written rants |
| Form of intimidation |
| It may begin: "Dear Fuckface |
| It's angry and often anonymous |
| Letters that are hard to read? |
| Often-anonymous intimidation technique |
| Letters often sent without a return address |
| Angry letter in response to perceived crudity or politics in a crossword puzzle, say |