Also found in: Idioms.
n. pl. jim-dan·dies Informal
One that is very pleasing or excellent of its kind.
[Jim (nickname for James) + dandy.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
adj., n., pl. -dies. Informal. adj.
1. of superior quality; excellent.n.
2. something of outstanding quality or excellence.
[1875–80; Jim proper name + dandy]
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