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Definition of fatso
fatso
/ˈfæt.soʊ/
fat · so
Plural:fatsos
fatso Lexical Profile
CEFR
B2
Grade
6
Tier
2
Usage
Rare
Syllables
2
fatso Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
An overweight or obese person (used as an insulting or derogatory term, often in direct address).
Example
"The schoolyard bully was reprimanded by the teacher for calling his classmate a fatso."
Synonyms
View all synonyms for fatso Antonyms
View all antonyms for fatsoWord Nuance & Usage
"Fatso" is an informal, derogatory slang term frequently used as a direct, insulting form of address to mock someone's weight.
• Rhymes for fatso
Cite this Entry
Wordmom. (2026). Definition of Fatso. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/fatso