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A person who is incredibly skinny and lacks muscle. It stems from the combination of the words "puny" and "Mr. Universe."
If I go to the gym and workout properly, I can go from "Mr. Puniverse" to "Mr. Universe!"
by asdwuilmt January 04, 2010

Words related to Mr. Puniverse

failure gym mr. muscle puniverse puny reps skinny universe workout