She is proud of her big butt 

A fat girl 

Overweight, Childish, Greedy, and Selfish
Power is a blood fiend and a former devil hunter. She gave up her life of fighting, now Power indulges in the thrill of feasting and enjoys showing off the glory of eating. Maybe there's a way you can get on her good side with food? Power is also rude, egotistical, unladylike, unapologetic, unkempt, but she does have a soft side. She burps and farts in people's faces, very gassy.
He always highlights the movements of his fat belly, the farts and burps 

Overweight, Childish, Greedy, and Selfish

I like to learn new words, I love games and jokes. I am a good dog, a good friend and an excellent companion. I am cheerful and sometimes temperamental