One who eats bad food like candy, frozen pizzas, otter pops, pop tarts, and so on and doesn't eat any healthy food. Reflects that of a college diet. The person does not even need to be fat to be a fatty cakes, they can be skinny and eat a whole lot of crappy food.

Also refers to a Donut.
Yo hommie you are such a fricken fatty cakes put down the swedish fish and cheese cake. Fricken Fatty cakes.

That chick is skinny but she is one fatty cakes.

Hey officer how did your fatty cake taste.

by Bobby Bogelheimer April 13, 2008
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The act of a male pulling out his penis from the doggy style position to ejaculate on a woman's butt after which he throws powdered sugar on a bitch to make a dashing funnel cake-looking design.
Nate gives Daria her favorite fatty funnel cake when she's a good girl.
by JiggleB October 5, 2016
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