dude

[ dood, dyood ]
/ dud, dyud /

noun

a man excessively concerned with his clothes, grooming, and manners.
Slang.
  1. a fellow; chap.
  2. (a general term of address used to a man, woman, or group).
a person reared in a large city.
Western U.S. an urban Easterner who vacations on a ranch.

interjection

(an expression of shock, approval, sympathy, or other strong feeling): Dude! That's one expensive sandwich!

Verb Phrases past and past participle dud·ed up, present participle dud·ing up.

dude up, Informal. to dress in one's fanciest, best, or most stylish clothes; dress up: He got all duded up to go to the dance.

Origin of dude

An Americanism dating back to 1880–85; origin uncertain

British Dictionary definitions for dude up

dude
/ (duːd, djuːd) /

noun informal

Western US and Canadian a city dweller, esp one holidaying on a ranch
mainly US and Canadian a dandy
US and Canadian a person: often used to any male in direct address

Derived forms of dude

dudish, adjective dudishly, adverb

Word Origin for dude

C19: of unknown origin