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2 definitions by dumac

 
1.
A senior who has stayed back 2 years (has been a senior 3 times) It is a level higher then super senior
-"Hey did you hear Ted stayed back another year and now he is an ultra senior!"
-"What a loser"
by dumac June 23, 2008
 
2.
The basic building blocks of awesomeness,epicness, greatness, and percussion perfection.
Peartonium is the main export of Canada
by dumac June 17, 2008