a poison-pen letter

a letter that has no signature and says unpleasant things about the person it is sent to After he was convicted, his family received a number of poison-pen letters.

Common Names:

Name	Pronounced	Usage
Gudrun	GOOD-roon (German)	Norse Mythology, Swedish, Norwegian, Danish, German
Johnna	JAHN-ə	English
Isaac	['aaizək]
Dye	[dɑi]
Avidan	-	Hebrew, Biblical Hebrew
Farai	-	Southern African, Shona