Someone who doesn't do drugs.
"It's hip to be a square"
by sam May 19, 2004
A way of picking a fight with somebody.
square goes pal
by Jojo June 20, 2004
A slang word for person, usually being knit
once I knitted a square.
by joe scrub January 21, 2007
Meaning something is gay, stupid, useless, pathetic.
Oh shit that girl is square

My phone is so square it keeps turning off

Haha your picture is square!
by Morgan aka morgasm October 12, 2006
Perfectly regular rectangles (yeah, they are rectangles); the equilateral triangle of the rectangle world.
"Wow, shapes with all four sides and interior angles the same?! They must be squares!"
by Sez January 08, 2004
cubes of LSD
by lauren August 31, 2003

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