You can wear some black, white, gray and dark colors, which will look more stable.

If fat people wear blue T-shirts, you can wear gray-black pants and white pants. These three colors will not make you look fat, but also make you look fashionable.

If you want to be more fashionable, you can wear a necklace or bracelet watch. If you wear shoes, you can wear blue shoes, black shoes, white shoes or gray shoes. If it's blue, it's cool, so wearing it will make you feel like a fashionable fat man.