dan·dy 
(dăndē)
(dăndē)n. pl. dan·dies
1. A man who affects extreme elegance in clothes and manners; a fop.
2. Something very good or agreeable.
3. Nautical See yawl.
adj. dan·di·er, dan·di·est
1. Suggestive of or attired like a dandy; foppish.
2. Fine; good.
[Perhaps short for jack-a-dandy, fop.]
dandi·ly adv.
dandy·ish adj.
dandy·ish·ly adv.
dandy·ism n.