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Definition

Mentally deranged; demented; insane.

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In Context

  • "That guy might be a few cards shy of a full deck — he thinks that substitute sugar is really a government tracking system."
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Opposite In Meaning

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See Also

  • full-deckism
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Related Idioms

p

play with a full deck

To behave in a manner suggesting that one is of normal intelligence, a…

 a

all there

Mentally competent; not absent-minded or insane.

 f

few and far between

Rare and scarce; hard to find.

 f

few sandwiches short of a picnic

Exhibiting disquiet or unsoundness of mind; not sane; mad.
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