What color is the sun in your world?

What color is the sun in your world?

That is an absurd or stupid thing to think or do; what are you thinking? (Implies that someone is not in touch with reality, i.e., that they would only do or think that if they were an alien from another planet.) A: "I think they should just do away with taxes altogether!" B: "Oh really? And what color is the sun in your world? Because here, taxes pay for hospitals, roads, schools—literally everything on which our society is built." You always back up these conspiracy theories with such nonsense. Tell me, what color is the sun in your world?
See also: color, sun, what
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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