According to KnowYourMeme.com, "Paper Children are paper cut-out models of anime characters that are staged in such a way that they appear to be interacting with the surrounding real-life objects. One of the most common forms this takes is a real life hand holding a drawing up as if they were being lifted by their shirt."
My first introduction to this fascinating trend was when I first joined the art website DeviantART, through a fellow artist who had created some of her own. They were too cute to resist making a couple of my own, and to this day, I still owe the beginnings of my followers to my Paper Child Emo Boy.
Modeled after my own trials as a former Emothic (I still don't get the fascination with "yanking my chain"), his frustrated adorableness helped draw attention to my new emergence on DA, in turn gaining me a larger audience who encouraged me in opening up as an artist and person.