Brooklyn kids playing street games in the 1950's believed in karma and called it Chinky Chose. Chinky Chose was a mystical payback against cheaters. When a kid cheated to win a point, but then lost the next point (or the whole game), the other kids taunted the offender, usually in a sing-song voice and sometimes with a pointed finger, "Chinky Chose, always shows."
When a person or recognised group is described in a manner that opposed one's viewpoint in an incredulous or sly manner. Depending on context can also be used as a placeholder noun for a situation that is disadvantageous for one's self, resorting to fantastical and illogical solutions.
Person 1: Man, that test was so hard.
Person 2: I know right? Elijah Wong was boasting about his grades after the test. So I pulled a chinky binky on him.
Person 1: So what did you do to him?
Person 2: I ate his dog.