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1.
A term, usually used in high school, to describe a girl who has sex with a lot of different guys.
When I was in high school, Jennifer was considered the student body. The first time I had her, I did her doggie style at a kegger when she was a freshman and I a junior. I saw her leading a few other guys upstairs that night too.
by BRD November 22, 2004
 
2.
A term used to describe the people who love to "get involved" in campus activities. Usually they are "independent" and the only way they make friends is by joining an organization or going to an event put together by the university. People of the Student Body enjoy pep rallies, making fun of greek life, and riding bicycles on sidewalks made for walking.
John: "I know our team is terrible at football but I can't wait for the pep rally tonight! I love supporting my school!"

Tim: "But its friday night you douche."

John: "Ya!! Everyone will be there! Plus there is free pizza after!"

Tim:"God, you're so Student Body."
by tightbutthole69 December 17, 2013
 
3.
a show on the n that consists of 12 students, 6 from two different schools that are rivals and go head to head to lose weight to earn money for their school and to earn money personally for themselves.
Did you see student body on the n the other night?
by PrinceOfherMagesty August 22, 2008