RichThesaurus
a few spanners short of a tool box
vs
one brick short of a full load
a few spanners short of a tool box
one brick short of a full load
adj
Stupid.
Not mentally sound; insane.
How often have the words
a few spanners short of a tool box
and
one brick short of a full load
occurred in a corpus of books?
(source:
Google Ngram Viewer
)