Based on the assumptionthat all asians are smart. A Pong is an asian that is much dumber than their racial peers.
college boy: "I got the high score on that physics test."
college girl: "What about the nerdy asians?"
college boy: "They are a bunch of pongs and got some of the lowest scores in the class."
Pong is a sexual activity where you and your male partner get into a scissor position and bash your knackers together over and over again until they're purple and mangled or until you vomit.