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"
"come my nigerian uncle, lets do squares and see how much money we get!"
(1) Unexciting, unadventurous, mainstream or dull. Generally used in describing a person with such attributes or who plays it safe. Historically, derived from a person whose goal in life is to have three "squares" a day (see definition (3) below), a roof over his head, a respectable job, a house, 2.5 kids, etc. Became a hip/popular expression of derision of the mainstream in the beat generation.
A polygon with 4 90-degree corners and 4 equally long sides that only idiots would have to look up on urban dictionary.
Person 1 "Look at this 4-sided shape with equal sides and 4 90-degree angles I found!"
Persson 2 "You mean a FUCKING SQUARE!?"