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[fat-ee] /ˈfæt i/
noun, plural fatties. Informal.
Disparaging and Offensive. a person who is overweight or obese (sometimes used as a term of address).
a large marijuana cigarette, often shared and consumed by a group, with a shape and size similar to a cigar.
Origin of fatty2
1790-1800 for def.1; 2003 for def. 2; fat-y2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for fatties
Historical Examples
  • Lester was more interested in what people had to say on the engineering message-boards than chatting with the fatties.

    Makers Cory Doctorow
  • You know that these fatties actually follow me around on the net now, asking me questions in message boards about engineering?

    Makers Cory Doctorow
British Dictionary definitions for fatties


adjective -tier, -tiest
containing, consisting of, or derived from fat
having the properties of fat; greasy; oily
(esp of tissues, organs, etc) characterized by the excessive accumulation of fat
noun (pl) -ties
(informal) a fat person
Derived Forms
fattily, adverb
fattiness, noun
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 fatties



late 14c., from fat + -y (2). As a name for a fat person, attested by 1797 (with -y (3)).

Online Etymology Dictionary, © 2010 Douglas Harper
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fatties in Medicine

fatty fat·ty (fāt'ē)

  1. Containing or composed of fat.

  2. Characteristic of fat; greasy.

  3. Derived from or chemically related to fat.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Slang definitions & phrases for fatties



  1. A fat person: designed to keep all us fatties from committing hara-kiri (1797+)
  2. A thick marijuana cigarette (1980s+ Narcotics)
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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