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An abbreviation for the words "super" and "duper" which, put together, increase the emphasis placed on how spectacular something is.
That was supdup fun!

It was supdup exciting when we went on the rollercoaster!
by XTJK August 09, 2009
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Apr 22 Word of the Day
When you eat dirt for the first time and leave your family to build a shack in the woods
Bro since I got dirtpilled on Tuesday I have made sooo many worm friends and made them soo many little houses to get married in. Me? Lonely? No you’re the lonely one u lawn owning freak
via giphy
by ecogoth December 30, 2020
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2
Powerful,Great,and Versitile as Superman
Dat boy Kobe is Sup'd Up! Ive been hittin da weights trying to get Sup'd Up on these boys!
by MajorPayne334 March 08, 2008
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