speak for (one)self

speak for (one)self

1. An imperative to express one's opinion as one's own, and not represent it as being indicative of anyone else's. The phrase is said when there is disagreement. A: "We just love traveling." B: "Speak for yourself—I think it's exhausting."
2. To express oneself, as opposed to letting others speak for oneself or remaining silent. She needs to speak for herself—I'm not a mind-reader!
See also: speak

speak for myˈself, himˈself, etc.

express what you think or want yourself, rather than somebody else doing it for you: I’m quite capable of speaking for myself, thank you!
See also: speak