noun Slang.
a fuddy-duddy.

1910–15; back formation from fuddy-duddy

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin & History

"backside, buttocks," 1785, a Scottish and Northern dialect word of unknown origin, perhaps from Scandinavian.
Online Etymology Dictionary, © 2010 Douglas Harper
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Slang Dictionary

fuddy-duddy definition

[ˈfədidədi] and [fəd]
and fud
  1. n.
    a stuffy person; an old-fashioned person, especially a male. : There seems to be a convention of fuddy-duddies in the park today. , I woke up some old fud sleeping on a park bench. He was mad.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw-Hill Education.
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Computing Dictionary

FUD definition

/fuhd/ An acronym invented by Gene Amdahl after he left IBM to found his own company: "FUD is the fear, uncertainty, and doubt that IBM sales people instill in the minds of potential customers who might be considering [Amdahl] products." The idea, of course, was to persuade them to go with safe IBM gear rather than with competitors' equipment. This implicit coercion was traditionally accomplished by promising that Good Things would happen to people who stuck with IBM, but Dark Shadows loomed over the future of competitors' equipment or software.
[Jargon File]

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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American Heritage
Abbreviations & Acronyms
  1. fear, uncertainty, and disinformation

  2. fear, uncertainty, and doubt

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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