Something that isn't straightforward or simple at all, unlike the original videogame Pong, which was an extremely simple videogame that everyone could understand.
Synonyms: Complicated, convoluted.
You want to understand quantum Physics and cure Cancer? I'm gonna tell you, it's not so pong as you think it is.
A piece of media that stands out for being mundane to an absurd degree compared to it's other contemporaries. Often, the mundanity is the joke of the piece of media that is being discussed.
Trapped in the Drive-Thru is like the smiling friends go to brazil of Weird Al parodies.