A pinhead is a small, stupid person. The term is often used to describe people who are too narrow-minded or who don't understand complex issues.
The politician is a pinhead because he doesn't understand the big picture.
The teacher is a pinhead because he doesn't understand the complexities of the math problem.
noun
an ignorant or foolish person
Synonyms:
noun
the head of a pin
1
His use of bestial pinheads is pathetic.
2
Famous sideshow performers include Zip the Pinhead and The Doll Family.
3
But its not the bible on a pinhead.
4
Pinhead can be reasoned and bargained with.
5
Its just the Torah on a pinhead.
6
A pinhead is literally the head of a pin.
7
A pinhead who works for the NYT.
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Pinhead gets up on a tall shelf.
9
In four that Pinhead is very much the combined.
10
They're a bit small, even for a pinhead.