flubdub

flub·dub

 (flŭb′dŭb′)
n. Informal
Pretentious nonsense; bunkum.

[Origin unknown.]
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.

flubdub

(ˈflʌbˌdʌb)
n
informal US nonsense; inept speech; empty talk; bunkum
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

flub•dub

(ˈflʌbˌdʌb)

n.
pretentious show; airs.
[1885–90, Amer.]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
How any sensible man, after reading the highfalutin flubdub of its sacred Kloran, the burlesque of its ritual and the list of its officers, from Imperial Wizard through the Klakard and the Kludd, the Kleagle and the Klarago, can hold his membership is beyond the range of sane judgement ...
thought, had "no more backbone than a chocolate eclair," and concerning Oliver Wendall Holmes, he observed, "I could carve out of a banana a judge with more backbone." The portly William Howard Taft escaped any reference to food, but fares no better: "a flubdub, with a streak of the second-rate and the common in him." Still, for all these quarrels, we get very little sense of what it is that Roosevelt himself stood for when he launched his Bull Moose campaign in 1912.