McFat is the storage of any fat from McDonalds food.
If you eat a McCake you will get McFat.
skipper84 tarafından 7 Mayıs 2010, Cuma
1 more definition
Fat produced by eating too frequently at Mickey D's.
Look at that Mcfat arm!
pentozali tarafından 23 Ağustos 2013, Cuma