Best definition
why, who are you?
A phrase, origin of which is in Hebrew and is about 18 years old, and hardly at use. It’s equivalent

to “get lost” or “who do you think you are?!” , but with much more disrespect. it’s usually used when someone disturbing you at the road.

“you little @#[email protected]#$!!; who do you think you are, that you drivung that way?!”