Dense. All weight, no sharpness.
Not Too Bright
12 sayings for when that’s the situation. Every one comes with what it means, so you can use it right the first time.
Looks alert. Isn't.
Not enough sense in there to do the smallest job.
Can't manage even the simplest task.
Not sharp at all.
He's lost whatever sense he had.
Can't tell the most basic things apart. Even a dog knows those two.
Something's missing upstairs.
Almost all there. Almost.
Not quite level-headed, like a crooked carpenter's level.
California outlawed child marriage while 32 states still allow it.
California banned child marriage, still legal in 32 states.