speak for yourself
Also found in: Wikipedia.
speak for yourselfINFORMAL
If you say Speak for yourself when someone has said something, you mean that you do not agree with them, or that what they have said only applies to them. `We're not blaming you,' Kate said. `Speak for yourself,' Boris muttered. `We love you, too,' Cooper said. `Hey, speak for yourself,' Sasha told her.
speak for yourselfgive your own opinions.
The exclamation speak for yourself! indicates to someone that an opinion they have expressed is not shared by yourself and is resented.