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1 definition by KirSmack

 
1.
adj. the ability to dominate a competition.

Derived from the monumental performances of Michael Phelps, United States swimmer, at the 2008 Beijing Olypic Games for winning eight gold medals, and his 2007 World Championship performance for winning seven gold medals in Melbourne, Australia.
Chaz's performance in the mathlympics was phelpsian.
by KirSmack August 17, 2008