I like the idea of painting messily in brown paint
"HAVE YOU FOUND THE OTHERS YET?" or similar, before wallpapering one of the rooms, if one is going to move.
( Je suis un vagabond is an unfunny, up your own arse middle class knob, Wed 7 Jan 2015, 9:30, 4 replies)

gonz has done this trick

(old man river possible lesbian, Wed 7 Jan 2015, 9:39, closed)

I heard he did it twice.

( Je suis un vagabond is an unfunny, up your own arse middle class knob, Wed 7 Jan 2015, 9:43, closed)

We did similar when we put in a conservatory many years ago.
We got a few bones from a butcher and set them into the concrete.
( Muns, Wed 7 Jan 2015, 12:51, closed)

^Sort of similar
When a friend and I clocked our car to reduce the milage we left a little note inside the odometer saying 'oh no, not again!' in case anyone else tried the same thing.

I'm not claiming to be the first person to do it - but do it we did.
(Dr Doctor Can't you see I'm burning burning?, Wed 7 Jan 2015, 15:53, closed)