Based on the assumption that 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."
when a man pisses inside of a woman during sex
"I got drunk then we fucked. Midway I had to take a piss so bad. I just let it go in her. I told someone about it and they said that is called a swirl"