- a fat person (used as a term of address).
Origin of fatso
Examples from the Web for fatso
Historical Examples of fatso
She'd give me Fatso, because he wants to chew me out, but she won't put him on for you.
Mibutaltal si Tambuk sa katri, Fatso is sprawled on the bed.A Dictionary of Cebuano Visayan
John U. Wolff
Big Boy was ambling over towards Fatso, apparently to claim his prize.The Planet with No Nightmare
The woman's face shifted to one side and a man's appeared—a face to justify in full the nickname "Fatso."
Anyway, he wants us to and we want to so everything's lovely and so let's get to work on Fatso and his Foster.
- slang a fat person: used as an insulting or disparaging term of address