http://m.urbandictionary.com/#define?term=red%20headed%20stepchild http://m.urbandictionary.com/#define?term=red%20headed%20ste... You are right, the "redheade

http://m.urbandictionary.com/#define?term=red%20headed%20stepchild http://m.urbandictionary.com/#define?term=red%20headed%20ste... You are right, the "redheaded" part of the phrase is simply meant to imply the child is obviously not a legitimate child of the parent (who is assumed to be a non-redhead). So I was way off base, my apologies. That's what you get for posting immediately after learning your flight has been delayed two hours :-(