fattypuffs 

A person who is fat due to his or her high intake of Sugarpuffs cereal

Oi, look at fattypuffs Billy going into class! He's brought some Sugarpuffs for his packed lunch!

fattypuffs by Doddi September 15, 2007

Fattypuff 

People who go past fat and look swollen.

Person one: wow that person is fat
Person two: are you sure she's not swollen
Person one: what a fattypuff

Fattypuff by anonymous0987654321 July 22, 2012