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doo·zyor doo·zie (do͞o′zē)
n. pl. doo·zies Slang
Something extraordinary, impressive, or unique: a doozy of a hailstorm.
[Probably alteration of daisy, splendid person or thing (perhaps influenced by the name of Eleonora Duse (1858-1924), Italian actress).]
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.
n, pl -zies
slang something excellent: the plot's a doozy.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
something remarkable of its kind.
[1925–30, Amer.; earlier also dozy, of uncertain orig.]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.