bag of hammers

== English == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Pronunciation === === Adjective === dumb as a bag of hammers (not comparable) (slang, humorous) Remarkably stupid. Synonym: dumb as a sack of hammers ==== Translations ==== ==== See also ==== Synonyms: dumber than a box of rocks; see also Thesaurus:stupid