Top definition
A person content with their Obesity. Someone who has acknowledged they are in fact obese and is proud of it. Similar to old money and new money. Antonym of New Fat.
That dude with the Fedora, neck beard, and sweat pants eating McDonalds by himself is def old fat.
by bbuehl792 December 25, 2015
Get the mug
Get a Old Fat mug for your father Paul.