Top Definition
An acronym for the old school expression "super duper".
Did you see the new movie, it's su-du!
Wow, that trick was su-du!
The first issue was super cool but the last one is uno bro, mad su-du cudos!
My old bike was cool but the one I got for my birthday was su-du cool!!!
#super #cool #duper #dooper #cowabunga #totally #awsome #future
by June 24, 2013
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