Definition
A "square" describes someone who is conventional, old-fashioned, and out of touch with current trends. It's like calling someone uncool or boring because they don't understand modern culture. It can be used playfully or critically, depending on the context. It implies a lack of excitement or originality. Think of someone who always follows the rules and never takes risks. But remember, sometimes being a "square" isn't such a bad thing – it can also mean responsible and reliable.