Definitions from Wiktionary (dumber than a box of rocks)
▸ adjective: (slang) Very stupid.
▸ Words similar to dumber than a box of rocks
▸ Usage examples for dumber than a box of rocks
▸ Idioms related to dumber than a box of rocks
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▸ Popular nouns described by dumber than a box of rocks
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▸ adjective: (slang) Very stupid.
Similar:
dumber than a bag of hammers,
dumb as dirt,
dumb as a doornail,
duncy,
duncical,
dumpish,
dippy,
dufferish,
duffle-headed,
rumdum,
more...
▸ Words similar to dumber than a box of rocks
▸ Usage examples for dumber than a box of rocks
▸ Idioms related to dumber than a box of rocks
▸ Wikipedia articles (New!)
▸ Popular nouns described by dumber than a box of rocks
▸ Words that often appear near dumber than a box of rocks
▸ Rhymes of dumber than a box of rocks
▸ Invented words related to dumber than a box of rocks