"I think you've been in the sun too long." ..............
Is there any figurative meaning like "You're talking nonsense"?

Question

"I think you've been in the sun too long."    ..............
Is there any figurative meaning like "You're talking nonsense"?

Answer

Australians  have a few similar expressions like "you're barmy" [ crazy] or "Pull ya head in",   meaning: I don't want to listen to you so shut up.
    Example: Pull ya head in, you don't know what you're talking about.

Answer

That's pretty much the meaning - "You're not making sense."
The sentence gives the picture of someone who is suffering from sunstroke and whose mind isn't working properly as a result.

Answer

yes, that's correct.

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