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2.
1. (adj.) Rather good.
2. (adj.) Excellent or superb.
3. (adv.) = 'super-duperly'.
I say Johnny my man that corn was supadupa!
by anycon September 17, 2005
 
3.
1. One who tries hard to look like Gary Cooper.
That guy is obviously supa dupa.
by RIAA Policeman January 23, 2004