The meaning of FATTY is containing fat especially in unusual amounts; also : unduly stout : corpulent. How to use fatty in a sentence.

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FATTY definition: consisting of, containing, or resembling fat. See examples of fatty used in a sentence.

/ ˈfæt̬.i / (also fatso) an offensive word for a person who is overweight (Definition of fatty from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

If you call someone a fatty, you are criticizing or insulting them for being fat.

1. Containing or composed of fat: fatty food; fatty deposits. 2. Characteristic of fat; greasy. 3. Derived from or chemically related to fat.

Definition of fatty adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.