fat-ass

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[edit] English

fat-ass (plural fat-asses)

(vulgar, slang, pejorative) A rotund, overweight, or obese person.

Bob is such a fat-ass he can barely put his feet together.
(pejorative) 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.