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1.
Dude nice-a complex pairing of words that helps create a universal sense of beneficence and shows the world there is still hope, and creates a gateway to different realms of the world where all is good and happy that can lead to pure bliss or a dudegasm.
Often expressed at sight of friends used in a dudegasm greeting or when eating comida- Ash walks up to Drew who has buffalo chips. In response, Ash experiences a DUDEGASM and yells DUDENICE!
by COMIDAWHIZ42 November 29, 2011
 
2.
A fist bump congratulating someone.
Jay: Dude, did you get that babes number?

Bob: Yea.

Jay: Dude Nice! (gotta do the fist bump)
by maurice a member of dude nice! December 31, 2009