fatso

noun
fat·​so | \ ˈfat-(ˌ)sō How to pronounce fatso (audio) \
plural fatsoes

Definition of fatso

informal, disparaging + offensive
: a fat person

First Known Use of fatso

1944, in the meaning defined above

History and Etymology for fatso

probably from Fats, nickname for a fat person + -o

Keep scrolling for more

Learn More About fatso

Dictionary Entries Near fatso

Fatsia

fatso

fatstock

See More Nearby Entries 

Statistics for fatso

Cite this Entry

“Fatso.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fatso. Accessed 18 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for fatso

fatso

noun

English Language Learners Definition of fatso

: a fat person

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!