• synonyms


noun, plural fat·ties. Informal.
  1. Disparaging and Offensive. a person who is overweight or obese (sometimes used as a term of address).
  2. a large marijuana cigarette, often shared and consumed by a group, with a shape and size similar to a cigar.
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Origin of fatty2

1790–1800 for def.1; 2003 for def. 2; fat-y2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for fatties

Historical Examples

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


    Cory Doctorow

  • Lester was more interested in what people had to say on the engineering message-boards than chatting with the fatties.


    Cory Doctorow

British Dictionary definitions for fatties


adjective -tier or -tiest
  1. containing, consisting of, or derived from fat
  2. having the properties of fat; greasy; oily
  3. (esp of tissues, organs, etc) characterized by the excessive accumulation of fat
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noun plural -ties
  1. informal a fat person
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Derived Formsfattily, adverbfattiness, 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

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)).

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Online Etymology Dictionary, © 2010 Douglas Harper

fatties in Medicine


  1. Containing or composed of fat.
  2. Characteristic of fat; greasy.
  3. Derived from or chemically related to fat.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.