1. dude(n = noun.person) buster, fellow - an informal form of address for a man; "Say, fellow, what are you doing?"; "Hey buster, what's up?"
is a kind of adult male, man
2. dude(n = noun.person) beau, clotheshorse, dandy, fashion plate, fop, gallant, sheik, swell - a man who is much concerned with his dress and appearance;
is a kind of adult male, man
has particulars: cockscomb, coxcomb, macaroni, beau brummell, brummell, george bryan brummell
dude, n. US sl.
1 a fastidious aesthetic person, usu. male; a dandy.
2 a holiday-maker on a ranch in the western US, esp. when unused to ranch life.
3 a fellow; a guy.
Idiom:
dude ranch a cattle ranch converted to a holiday centre for tourists etc.
Derivative:
dudish adj.
Etymology:
19th c.: prob. f. G dial. dude fool
N fop, fine gentleman, swell, dandy, dandiprat, exquisite, coxcomb, beau, macaroni, blade, blood, buck, man about town, fast man, fribble, milliner, Jemmy Jessamy, carpet knight, masher, dude, fine lady, coquette, flirt, vamp.