fattyPronunciation: /ˈfati/Translate fatty | into French | into German | into Italian | into Spanish Definition of fatty adjective (fattier, fattiest) containing a large amount of fat:go easy on fatty foods fatty tissue Medicine (of a disease or lesion) marked by abnormal deposition of fat in cells:fatty degeneration of the liver noun (plural fatties) informal a fat person (often as a nickname): many former fatties have found a pattern of eating that keeps them slimDerivatives fattiness noun fatty in other Oxford dictionaries Definition of fatty in the US English dictionary
