dumb as a box of rocks

形容词 adj.

英文释义

形容词 adj.
  1. Very stupid. slang
    — 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

词源

Variation of dumb as a rock.
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