What’s the origin of “hinky”?

Q: I heard you discussing the word “hinky” on the air. A friend of mine from California uses it to mean “shifty” or “jumpy” or “nervous.” It has a vaguely criminal connotation. Did you ever find out where it comes from? A: The Random House Historical Dictionary of American Slang has an entry for “hincty,” … Continue reading What’s the origin of “hinky”?