Pong Tong Share definition Flag A point like the top of a meringue. When you are squeezing icing onto a cupcake, that final point you do to complete it is called a pong tong. I am going to make a very satisfying pong tong on my cupcake. Pong Tong by vampiregirl2002 June 28, 2020 Get the Pong Tong mug.