few cards shy of a full deck
English
Alternative forms
Pronunciation
Audio (AU): (file)
Adjective
a few cards shy of a full deck
- (idiomatic) mentally deranged; demented; insane.
- That guy might be a few cards shy of a full deck — he thinks that substitute sugar is really a government tracking system.
Synonyms
Antonyms
- play with a full deck
- See also Thesaurus:sane.