Also a derogatory term used to describe someone who believes that his/her computing platform is superior to another simply due to how many video games are available for it, and how well they play on it.

Often found in Mac vs PC debates

Example: If a PC advocate were to counter a set of Pro-Mac Photoshop benchmarks with a set of Pro-PC Quake benchmarks, he/she is at the risk of being labeled a gamer-lamer.