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pronounced odd-sir, this acronym stands for an Overdeveloped Sense of Responsibility

A common affliction of workaholics, over-scheduled college students, and way too involved soccer moms. Tell tale signs include working late into the night when no one else is in the office, taking more than 15 hours of classes in one semester while working a part time job, and driving the entire soccer team to practice because none of the other moms would volunteer.
College Student #1 - I can't make it to the party. I have to cover 2 extra night shifts this weekend and write 3 final papers, while studying for my last physics test.

College Student #2 - What did your parents do to you when you were a child? You are seriously suffering from ODSOR.
by a beer sort of girl December 12, 2007
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