There are several interpretations of this, but a popular description is a person who behaves and dresses in a "conformist" way, as opposed to a person who behaves and dresses in a more unusual or outlandish way. In this context, the term "square" is intended to be somewhat derogatory or insulting. Some personality tests tend to group people into one of a number of geometric shapes such as square, circle, triangle and so on, each shape having a set of personality characteristics unique to that shape and with no insult intended.
Square can mean multiple things. The term square is used to describe something boring or unexciting. It may also be talking about a company called Square which accepts credit cards for small businesses.
You mean a pixel?
A square is a person who is not "cool" or "hip." This would be the person who is unpopular and does not follow the latest fashions in clothing, slang, and behavior. "Square" is an old slang term from the 1960's.
if you mean studying there called antimolijists if you mean killing there exterminators
When you call a person a sloth it means that person is slow.
When a person thought someone or something was square they would draw the shape of a square with their forefingers in the air (out of sight of the so called "square").
If you mean a pyramid with a four sided base, it is a square pyramid. If you mean one with four faces, it is a tetrahedron.
If your called a square it means your lame and boring long story short you have no exitment in your life.
It means they are a coward.
Charades .
Perhaps you mean "Guru".
I assume you mean someone who dresses manikins for shop windows. Such a person is called a 'window dresser'.