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1 definition by Rob Dodds

An overboner occurs when an individual becomes excessively distraught or animated over an insignificant matter which other individuals do not find congenial.
Mrs Marsten in Tuesday Period 5 Chemistry lesson following Physical Education when a handful of people are quietly whispering about the lesson's work:

Stop talking (getting stressed). DANIEL SHUT UP! TOM MOVE TO THE FRONT. STAVROS FUCK OFF!
by Rob Dodds March 05, 2005