The phrase
"flat forehead" refers to someone who is not very smart or lacks intelligence.
Full definition
Mature males or bulls are easily distinguished by their
high flat forehead and are usually larger than the females or cows.
However, other scientists doubt the conclusions, pointing out that chimpanzees can convey subtle emotional information even
without flat foreheads.
The study contributes to a long - running academic debate about why other hominins, including our immediate ancestors, had gigantic brow ridges while anatomically modern humans
evolved flatter foreheads.
The Shiba Inu's head boasts a broad and
flat forehead.
They have a rather square head with
a flat forehead, with a short face and a massive jaw.
It has a large and square head with a short face and
a flat forehead.
As most of the Siamese used for out - crossing are of the Traditional (or Applehead) type, the Snowshoe has a rounded triangular head,
flat forehead and largish ears with rounded tips.