What's on your mug?

a debit or credit card, sometimes associated with online fraud(clicking)

"yo? can you buy me a ticket to that concert, I'll pay you cash. I just don't have squares at the moment."

By the grobber 3000

Minneapolis slang for a cigarette.

Ali: Ay bro you got a square?

By Ghanayana

Someone lame/plain that need to keep up with the times

Person 1: Hey wanna go party Person 2: what about books? Person 1: you’re just a square.

By Flat Diet Coke

6ix9ine

that square ass nigga

By elvader

"Square" isn't just a shape it's also another term for boring or disapproval. It's often used in a humorous way

This class is so square Ugh square!