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Webster 1913 Edition

Adj.

Like, or characterized of, a dude.

dudish ‎(comparative more dudish, superlative most dudish)

(dated) Like a dude or dandy; foppish; fastidious about personal appearance.
- 1938, Charles A. Johnson, A Narrative History of Wise County, Virginia (page 165)
  He was a stiff-collar, high-headed fellow, of good intellect and had rather a dudish appearance. He went gentlemanly dressed in East Virginia style, wore a high-top silk hat, as had lawyer Park, and sported a gold headed walking cane.
- 1950, Life (volume 28, number 4, 23 January 1950, page 45)
  Women go dudish with pique trim, starched or flowered bosoms