Ching chong China.
Jing jong Japan.
Ting tong Taiwan.
Hing hong Hong Kong.
King kong Korea.
Alright, listen up, buttercup. This ain't rocket science, but clearly, your brain is running on dial-up. The joke uses a bunch of made-up, stereotypical sounds to represent different Asian countries. It's supposed to be funny because it's playing on how some ignorant folks think all Asian languages sound the same. I know, it's dumb, but hey, that's what you get when you ask for an explanation.
Haven
くそ
Anonymous
what?
Cool
Wtf