Fat-ass

//ˈfætæs// noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    A rotund, overweight, or obese person. derogatory, slang, vulgar

    "He is such a fat-ass he can barely put his feet together."

  2. 2
    A jibe used on someone disliked, frequently someone regarded as lazy. derogatory, vulgar

    "My boss is a fat-ass who doesn't know his job as well as I do."

Example

More examples

"He is such a fat-ass he can barely put his feet together."

Etymology

From fat + -ass.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.