Something either said by Asians as an alpha move against racists or white people saying this to seem Asian which is both racist and funny at the same time.
Person1: Ching chong bing bong Person2: Wtf
Person1: lolololol
Person2: You sure you don't have brain damage?
It is used by folks who think it's funny to be racist to Chinese people. OR Chinese people use it as a thing to talk back with to an American or whoever is also racist.
"CHING CHONG BING BONG BARNEY THE DINOSAUR LOOKS LIKE CANTONESE CHING CHONG" Now that's what she said.