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[fluhb] /flʌb/
verb (used with or without object), flubbed, flubbing.
to perform poorly; blunder; bungle:
He flubbed the last shot and lost the match.
a blunder.
Origin of flub
1920-25, Americanism; origin uncertain
Related forms
flubber, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for flub
Contemporary Examples
Historical Examples
  • "I seem to flub everything," I remarked, unaccountably nettled.

    I Walked in Arden Jack Crawford
  • And all confessed and joined his party, and he was known as the wisest king of the flub Dubs.

    'Charge It' Irving Bacheller
  • When a half-grown girl, a half-baked boy, a flub like Mulready—damn his eyes!

    The Black Bag Louis Joseph Vance
British Dictionary definitions for flub


an embarrassing mistake or blunder
verb flubs, flubbing, flubbed
(intransitive) to blunder or make an embarrassing mistake
Word Origin
C20: of origin unknown
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for flub

1924, American English, perhaps suggested by fluff, flop, etc. Related: Flubbed; flubbing. As a noun, by 1952.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for flub



  1. A stupid blunderer; lummox, klutz: Pick up your feet and don't be such a flub
  2. : The flub, as generally defined, is a mistake


  1. To blunder; err; commit a gaffe; goof: I flubbed as soon as I opened my big mouth
  2. To ruin by blundering; spoil with mistakes: She flubbed the introduction, but did okay afterwards
  3. To avoid work or duty; shirk; goof off (1920s+)
The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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flub in Technology

The abstract machine for bootstrapping STAGE2.
[Mentioned in Machine Oriented Higher Level Languages, W. van der Poel, N-H 1974, p. 271].

The Free On-line Dictionary of Computing, © Denis Howe 2010
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