Speak One's Mind Meaning

(idiomatic) To state one's thoughts or opinions honestly or frankly.

Example: 1847, Emily Brontë, Wuthering Heights, Chapter IX:
  [H]e would speak his mind, and lecture her all the same as if she were a little girl.
1921 Arthur Scott Bailey, The Tale of Mrs. Ladybug, ch. 13:
  It was seldom that Mrs. Ladybug hesitated to speak her mind right out to a person if she happened to disapprove of him.
2007 April 12, Joe Klein, "President Fuhgeddaboutit," Time:
  Rudy Giuliani . . . spoke his mind and did not suffer fools even a tiny bit—but then, creative incivility is part of the job description for a successful mayor of New York.