from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Slang Something extraordinary or bizarre: "Among the delicious names taken by, or given to, minor political parties in the United States . . . are these doozies: Quids, Locofocos, Barnburners, Coodies, Hunkies, Bucktails” ( Saturday Review).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. something that is extraordinary. Often used in the context of troublesome, difficult or problematic, but can be used positively as well.
Possibly blend of daisy and Duesenberg, a luxury car of the late 1920s and 1930s.(American Heritage® Dictionary of the English Language, Fourth Edition)
American, from daisy (the flower), also 18th century and onward English slang for something excellent. May have been influenced by Eleonora Duse, Italian actress. (Wiktionary)