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An adjective describing total and utter dominance in a certain area. Derived from Michael Phelps' dominance in the 2008 Summer Olympics in which he set a record for winning 8 gold medals.
Wow. John can only be descibed as Phelpsian. He beats everyone at everything!
by John Serafino August 17, 2008
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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
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Feats of athletic skill that are beyond all reason or comprehension. To be unquestionable best in a particular athletic sport.
Ok, five gold medals is impressive, but it aint Phelpsian.
by Vorlauf August 16, 2008
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An athletic achievement of epic proportions encompassing speed, endurance, and strength in which one can completely redefine the term of perfection.
Michael Fred Phelps is the only person ever in history to achieve Phelpsian status.
by Pat the og123 August 16, 2008
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(Felps-ee-un)

1. Having the characteristics of Michael Phelps

2. Used to describe something that is mind-blowing, unbelievable, record-breaking (mainly this one), incredible, etc. especially a feat.
1. If you can break world-records in everything you compete in, you're Phelpsian

2. On Guitar Hero, clearing Through the Fire and Flames 100% on Expert is a Phelpsian feat.
by I-Yes August 18, 2008
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1. Doing the impossible

2. Silencing doubters

3. Crushing the opposition

4. The best of the best

from Michael Phelps' 8 gold medal performance in the 2008 Beijing Olympics games.
John dropped a Phelpsian performance in beer pong last night; he didn't lose a single game.
by Betterknown August 16, 2008
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