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Pronunciation: 'pü-p&r-'dü-p&r
Function: adjective
Etymology: reduplication of super-pooper

Definition: pooper of the greatest excellence, size, effectiveness, or impressiveness
Noone could have guessed that this seemingly refined and well-mannered young man was actually the world's most prominent pooper-duper!
by Pooper-duper June 17, 2007
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People who walk their dogs with no intention of picking up after them but carry plastic bags or other implements for doing so to appear that they do.
"Oh look, Frank is walking his great dane and has those poop bags for cleaning up after him!"
"Don't be too impressed, he's a pooper duper."
by slomo67 December 01, 2016
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