3. Main Entry: dude Pronunciation: düd also ˈdyüdbr />Function: noun Etymology: origin unknown Date: 1883 1: a man extremely fastidious in dress and manner: dandy 2: a city dweller unfamiliar with life on the range; especially: an Easterner in the West 3: fellow, guy – sometimes used informally as a term of address <hey, dude, what's up>
4. 234 Definitions A word that can be used as every single response in a conversation. A word that Americans use to address each other. Particularly stoners, surfers and skaters.
5. DUDE: A (Brief) History – Part I 1873 First used in speech 1888 Evander Berry Wall dubbed the "King of the Dudes" Jeff Spicoli 1982 Source: Wikipedia
6. DUDE: A (Brief) History – Part II *Dudette is first used in speech 1986 Aerosmith, Dude Looks Like A Lady 1987 “The Dude” 1998 *I just made that up. Source: Wikipedia