now you tell me
Interjection
Meaning
now you tell me
Used to indicate that the person telling them should have told the speaker earlier, typically with annoyance.
Examples
Well, Art is Art, isn't it? Still, on the other hand, water is water. And east is east and west is west and if you take cranberries and stew them like applesauce they taste much more like prunes than rhubarb does. Now you tell me what you know.