(idiomatic) A manner, means, or tone of expression had by a written work, characterized by spitefulness, defamation, and/or intimidation directed toward a person, organization, or point of view.

plural of poison pen

plural of poison-pen letter

Alternative form of poison-pen letter

(idiomatic) A missive which is malicious, insulting, and/or defamatory toward a person, organization, or point of view, especially one which is unsigned.

plural of poison pen letter