Top Definition
An incredibly obese woman, who usually wears spandex and has cankles. Also possess multiple chins and rolls, usually scene dining at a fast food establishment such as McDonalds for example.
"Wait till everyone gets there food before you get seconds, your going to leave nothing for anyone else you damn Fatty MacPatty."
by Throbbin P. Ness June 20, 2006
5 Words related to Fatty MacPatty

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