Used in casual conversation, not in formal writing or speeches.

Colloquial Usage

Originally American English; understood globally but may sound informal in non-American contexts.

American Origin

Conveys a strong sense of disinterest or lack of emotional investment.

Strong way to emphasize how little one cares about something.

Using the phrase can imply disrespect toward the subject in question.

Useful for avoiding arguments by conveying a lack of interest in debating.