be one card cards short of a full deck



be one card/several cards short of a full deck

  (humorous)
if someone is one card short of a full deck, they are stupid or crazy Do you think your cousin might be one card short of a full deck?
See also: card, deck, full, of, one, short

Common Names:

NameGenderPronouncedUsage
Keen[ki:n]
Thorvald-Swedish, Norwegian, Danish
Sybil['sibil]
Lilija-Lithuanian, Latvian
Asplen['æsplən]
Angelienahn-zhə-LEENDutch