A square is a gram of speed (amphetamine or Ethylamphetamine).
Dude: Yo, can I get a square?
Drug dealer: Sure?

*shows amphetamine and gives Dude a gram of Ethylamphetamine (made in a lab by Aluminum Galinstan reductive amination of P2P with ethylamine in ethanol water solution).

*dude pays 30 dollars.
by HawaiianPunch1 February 2, 2022
1. A four sided polygon characterized by right angles and sides of equal length.
2. A tobacco cigarette.
3. A place where everyone gathers consisting of shops and whatnot.
4. A boring person.
by birdman June 12, 2003
Someone who won't do anything bad.
'Wanna smoke a blunt rn'
'Nah I'm square about smoking drinking n sneaking out'
by Danika real ferda July 22, 2017
1. A cigarette

2. A term used to define someone who is not cool

3. A way of settling the score between two opposing factions or parties
"Hey man, can I bum square?"
"That would make us about square." - Uma Thurman - Kill Bill Vol. 1
by Mary L August 4, 2005
Someone out of date or out of touch, can also be someone who clings to repressive, traditional, stereotypical, one-sided, or "in the box" ways of thinking.
Often used in Funk/dance songs from the 70's eg Rick James' Bustin' Out (On Funk) it opens with "Well alright you squares its time to be smoked"
by superfreak09 October 30, 2008
A chad-like man with no depth, who resembles a flat barren four-cornered plane. A square thinks he’s massive, like a cube.!
Brielle Perry’s boyfriend was a square, he thought he could be great at all sports and was exceptionally massive.
by toshow February 16, 2018
Word used to describe someone who had their growth spurt in middle school and was the tallest, only to become one of the shortest people in Highschool. Squares overcompensate for their rapid decline in height rankings by going through a gym phase, bulking up and hence looking like squares.
"Hey do you know what happened to Christian?"
"He hasn't grown since 6th grade, he gyms now."
"Ah I remember, he was the tallest guy in our grade back then. What a square"
by Ugly dirtbag May 26, 2021