fatty
1 Americannoun
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Disparaging and Offensive. a person who is overweight or obese (sometimes used as a term of address).
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a large marijuana cigarette, often shared and consumed by a group, with a shape and size similar to a cigar.
adjective
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containing, consisting of, or derived from fat
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having the properties of fat; greasy; oily
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(esp of tissues, organs, etc) characterized by the excessive accumulation of fat
noun
Other Word Forms
Derived Forms
Etymology
Origin of fatty1
Middle English word dating back to 1350–1400; see origin at fat, -y 1
Origin of fatty2
First recorded in 1790–1800 fatty 2 ( def. 1 ); 2003 fatty 2 ( def. 2 ); see origin at fat, -y 2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In many cases, those diets derived 60% of calories from lard, which does not accurately reflect typical human eating habits and makes it difficult to determine the effects of individual fatty acids.
From Science Daily • Jun. 2, 2026
However, the newer findings are consistent with the idea that omega-3 fatty acids may affect insulin resistance and inflammation in ways worth testing more carefully.
From Science Daily • May 31, 2026
However, scientists still know much less about how these fatty acids affect insulin resistance when obesity is not involved.
From Science Daily • May 31, 2026
Amy said: "It's not like a soft, fatty belly that can move. It's just in the way and heavy."
From BBC • May 30, 2026
The strong fatty cheese tastes just like the kind Prim makes, the apples are sweet and crunchy.
From "The Hunger Games" by Suzanne Collins
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
