(as) dumb as a box of rocks
(as) dumb as a box of rocks
Very stupid. Are you dumb as a box of rocks? Why did you think you could fix the washing machine on your own? I used to think that kid was a as dumb as a box of rocks, but he turned out to be a physicist.
See also: box, dumb, of, rock
Farlex Dictionary of Idioms.
- hit the big one
- (as) dumb as a post
- dumb as a post
- go against the flow
- bonehead
- dread
- dumb
- (someone) thinks (they) are so smart
- blue on blue
- capable of doing