fat-ass
nounUS [ˈfæɾæs] · /ˈfætæs/
Etymology From fat + -ass.
1
Derogatory, Slang, Vulgar A rotund, overweight, or obese person.
- He is such a fat-ass he can barely put his feet together.
2
Derogatory, Vulgar A jibe used on someone disliked, frequently someone 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.