I was just a big dumb old girl - never figured on getting pregnant.
The world was full of more normal, thoroughly dumb girls.
The dumb girl had stopped dead in front of him.
The dumb girl went off to ask the manager of all things!
I was just a dumb girl in a picture.
Not really a bad girl, just dumb, badly spaced out.
I think sometimes really smart girls dumb themselves down a bit, and that's bad.
That might break her heart, because you couldn't ever marry a dumb girl like her.
She is afraid you would come to repent having married a dumb girl.
If only you had raised our first baby instead of leaving the job to some dumb girl.