doo·zy or doo·zie (dōō'zē) n.
pl.doo·ziesSlang 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).
[Possibly blend of daisy and Duesenberg, a luxury car of the late 1920s and 1930s.]