dumb as a box of rocks en · ADJ
Pronunciation
- (Australia) audio
Etymology
Variation of dumb as a rock.
Meanings
-
(qualifier:simile, slang) Very stupid.
The drummer in my friend's band is pretty hot, but he's dumb as a box of rocks. I hear he likes me, and I definitely don't want to date him—but is his stupidity any reason not to simply have sex with him? — Carla, Brooklyn, New York
2001 July, “Tell it to my Heart”, in CMJ New Music Monthly, →ISSN, page 29: