Thick in the head and strong in the back

Posted by Thick as Thieves October 27, 2003In reply to Thick in the head and strong in the back posted by daniela on October 27, 2003

I'm an italin girl. I'm translating an irish short story, and I need your help!
What does it mean -in your mind- the sentence "thick in the head and strong in the back"??

thank you for your help!
daniela

"Thick in the head" means stupid, dumb, not smart.