Wiktionary
alt. 1 (context coarse slang pejorative English) A rotund, overweight, or obese person. 2 (context pejorative English) (non-gloss definition: A jibe used on someone disliked, frequently someone regarded as lazy.) n. 1 (context coarse slang pejorative English) A rotund, overweight, or obese person. 2 (context pejorative English) (non-gloss definition: A jibe used on someone disliked, frequently someone regarded as lazy.)
Usage examples of "fat-ass".
I see a lot of fat-assed baboons shepherding my dollar bills around their tables.
It just drove me stark staring mad when I thought about her and Stradlater parked somewhere in that fat-assed Ed Banky's car.
While not a real off-road type—I hate 4-wheel-drive assholes who pride themselves on tearing up the landscape, and all snowmobilers, and those idiots on motorcycles who befoul the wilderness with noise and fumes—I have been known to push the Jeep pretty hard to get to a campsite far enough back to where I wouldn’t have to listen to anyone’s radio or hear traffic or have to look at the rump end of some fat-assed Winnebago.