A person that's not with the shits
That guy is a square and a sucka
He's too "square" to come party , and hang out with all of us weirdo, freaks.
Today kids we are learbing about squares, example, WillNE's head.
A person or your friends head. It coudl very well be used as a right angle
Classmate: dont dance your blocks off
Someone presumably named Kim or Anne: I promise i wont, I'll make sure to use my blockhead that I'd ever so square to think things through.
In response of doing fraud with any bankcards
"yo man, I'm broke", "don't worry man, imma bang out some squares and we can split"