how can i make my chest look buffer?

Using weights would probably help, but you will have to find the best lifts to benefit your chest. I'm sure you can find them online. I know them, but it's difficult to explain. Here's a link I found for you, which tells you how to build up your chest muscles... http://www.bodybuildingforyou.com/bodybuilding-supplements-guides/weight-lifting-workout-guide-6.htm Good luck with this and Brightest Blessings.