The place where you sit for 99% of your Childhood. An alternative to Sandpaper. The smooth side is on the back the rough side is where your ass goes. The backs are shaped like a fucking U which will ruib your back for years to come.
Teacher: Why have you taken your blazer off?

Stundent: Because my ass hurts from these fucking School Chairs so I have to cover it.
by Somebodythatiusedtoknow. April 2, 2020
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"Oh man, I did the school chair last night, it was so tight, dawg!"
"Mmm man, she got the school chair like nobody's business."
"You got any of that young school chair?"
by The Hot Diggity Dog November 25, 2013
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