Not defenestration... Of course, now I'm going to have my asshat handed to me - with my own head still all up in it - by hard core etymologists and linguists arguing that proper defenestration can only occur out of an open window.
I'm no hard core etymologyist or linguist, but I will argue that defenestration can only occur out of an open window.
That's because there's an even better word for throwing something
through a window--
transfenestration.