The medical condition caused by sitting for extended periods of time on the hard plastic chairs in school.
The school ass was killing me. I had to get excused from chemistry just to itch it.
by SchoolAssWilliam October 20, 2008
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The ass and overall body that every girl over the age of 30 aspires to. What they looked like in high school when they exercised every day, didn't drink or smoke, and rocked the size 2 jeans.
Did you see Sharon last night? She is working with a trainer, hit the Atkins diet, and looks like she has regained her high school ass again!
by IrishMike February 24, 2008
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(n) When a medical students once curvy and luscious ass begins to appear flat and saggy from sitting all day.
Student 1: Man she was so hot last year.

Student 2: Yeah but then she got that med school ass.
Student 1: Pancaked!
by lmjb December 17, 2014
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When your in school and your ass gets hot and sweaty and your underwear stick too your ass; also known as swamp ass; especially bad if wearing silk boxers.
Travis, did you see how bad Bens Dirty School Ass was at lunch?
by Kitty Licker 666 January 20, 2014
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An ass so big that on a school bus it takes up the entire seat.
That bitch was so fat that she had a school bus ass!
by TBONESTEAKS April 13, 2011
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