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

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The first known use of fatso was in 1944

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More Definitions for fatso

fatso

noun

English Language Learners Definition of fatso

informal + offensive : a fat person

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one from the Upper Peninsula of Michigan

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