Nastygram

[Another_Clone]

I like this word. V v useful. It means

A letter, e-mail, or other message that insults, criticizes, or attempts to intimidate the recipient

http://www.wordspy.com/words/nastygram.asp

[Ice_Wolf]

Fixed your link, Another Clone:

Nastygram.

[The_MacDairmuid]

And here I though I coined that word. Years ago. :dubious:

[Kalhoun]

I’ve been using it for the last decade, at least. I like it just fine.