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A dude who is one of the coolest dudes you know and not seen for a while, like "the dude" in the Big Lebowski.

also used when meeting up with several dudes at once.
Dude-o-rama!!!!!...it been so long.

Jenna Jameson is about to get triple stuffed in every hole so she exclaimed "Dude-o-rama!!!"
by the dudeorama July 22, 2010
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