how dare you, etc.
how dare you
What you have done is unacceptable. The phrase is sometimes followed by the action in question. How dare you speak to your mother that way? Apologize right now. You think you can brazenly cheat and get away with it? How dare you?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
how ˈdare you, etc.(spoken) used for expressing anger or shock about something that somebody has done: How dare you speak to me like that! ♢ How dare he use my office without permission?
Farlex Partner Idioms Dictionary © Farlex 2017