Definitions
There is 1 meaning of the phrase
Crank Letter.
Crank Letter - as a noun
A hostile (usually anonymous) letter
Example Sentences
"She received a crank letter from an anonymous sender."
"The police are investigating a series of crank letters sent to local businesses."
"The celebrity was upset to find a crank letter in her mailbox."
"The newspaper published a crank letter criticizing an article about climate change."
"He was wrongly accused of sending a crank letter to his neighbor."