In my first year at university I lived on the third floor of a girls' hall of residence, and the rooms were in groups of four, with large square windows. Someone (and I genuinely can't remember which of us it was) thought it would be a good idea to spell out the words of a Christmas carol across the four windows
So we got some large sheets of shiny red paper, cut out the letters and stuck them in the windows.
Denise's window read:
Elaine hoped people wouldn't think her room was a toilet because her window said:
and finally, Lycia's window: