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English definition of “have shit for brains”

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have shit for brains

US offensive
to be extremely stupid: Don't ask Jack to do anything - he's got shit for brains.
Translations of “have shit for brains”
in Chinese (Traditional) 腦子進水, 極端愚蠢…
in Chinese (Simplified) 脑子进水, 极端愚蠢…
(Definition of have shit for brains from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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