8 Wintry Words to Defrost Your Vocabulary
"remarkable person or thing," 1844, perhaps from an old song, "Dandy Jim of Caroline" (1840s).
: Anacin is a jim-dandy remedy
A person or thing that is remarkable, wonderful, superior, etc; beaut, humdinger (1844+)
[perhaps fr an early 1840s song ''Dandy Jim of Caroline'']