It's a meme, actually. Sweet summer child. And it's from Game of Thrones, at least in popular culture. It's a comment on innocence, inexperience, and a term of endearment.
Times are tough now. I mean, I have a lot of sympathy for people who try to scam money because they need it. I have less sympathy for people who are doing it to get richer.
Did I ever show you God, that's true, you're not really that far out of the Downton years, are you?