From Fresh Dictionary
English
Noun
fat-ass also fatass (plural fat-asses)
- (pejorative) A jibe used on someone disliked or regarded as lazy
- My boss is a fat-ass who doesn't know his job as well as I do.
- Yes, your whole department is full of fat-asses.
- (coarse slang) An insulting term to describe an obese person.
- Bob is such a fat-ass he can barely put his feet together.