I. ˈd(y)üd noun
( -s )
Etymology: origin unknown
1. : a man who is overfastidious in dress and manner : an ultrafashionable man : fop , dandy
2.
a. : a city man : tenderfoot ; especially : an easterner touring or staying in the West
b. : a guest at a dude ranch
II. noun
: fellow : guy — sometimes used as a mode of familiar address
hey, dude , what's up