one brick shy of a load
- nuttyEccentric or almond-flavored
- loopyMildly crazy, informal
- crackedHaving surface fractures
- battyMildly eccentric or daft
- bonkersWildly irrational, unhinged
unhinged · scatterbrained · addled · dimwit · halfwit · dense · daft · daffy · cuckoo · eccentric · oddball · elevator · attic · marbles · screws · loose · missing · short
intelligence/mental capacity
one brick shy of a loadsharp as a tack
Extremely intelligent and alert
bright as a button · smart as a whip · genius · brilliant · intelligent
mental soundness
one brick shy of a loadall there
Mentally competent, aware
of sound mind · sane · rational · lucid · compos mentis
completeness/wholeness
one brick shy of a loadall there
Mentally competent, aware
playing with a full deck · firing on all cylinders · complete · whole