Distemper! A Marcel Proust moment for me, with paint in place of cake. Not only do I remember the wall that half a century ago I was sent to distemper, I remember too the colour (a sort of orange my mother wanted). I can see now details of the room: where the windows are; the dressing table; the adjoining washroom with its obscure glass window and fanlight; the coat-hook on the door. I feel the texture of the wall, grasp the handle of my broad, black-bristled paintbrush.
Distemper has been and is still is used as an art medium. Here's an attractive example from 1918. What a super composition! And there is an interesting story surrounding it; try looking up "The Grand Teddy Tea Rooms paintings."