Phrase that relates to the behavior of a person who does not mince words. People who speak their mind, even at the detriment of how others feel about them. It is the difference between telling someone what they want to hear and what they need to hear. It need not be intentionally cruel, but it is often painful. Cruel is telling someone who is not very bright that they are "stupid", if they information would not help them at all.

Brutally honest is telling someone "bright" that they have been "stupid" in their choice of a significant other- especially if you know their choice is significantly involved with a series of other individuals.