RichThesaurus
fatheaded
vs
not the sharpest crayon in the box
fatheaded
adj
Characteristic of a fathead; stupid
not the sharpest crayon in the box
noun
Synonym of not the sharpest knife in the drawer
How often have the words
fatheaded
and
not the sharpest crayon in the box
occurred in a corpus of books?
(source:
Google Ngram Viewer
)