WordNet
n. pigment mixed with water-soluble glutinous materials such as size and egg yolk [syn: tempera, poster color, poster colour]
Wikipedia
Poster paint is a distemper paint that usually uses a type of gum-water or glue size as its binder. It either comes in large bottles or jars or in a powdered form. It is normally a "cheap" paint used in theatrical backdrops or in grade school art classes.
Usage examples of "poster paint".
Infinitely worse than trying to explain how shed only turned her head for an instant and two-year-old Diana had eaten the entire tube of yellow poster paint.
There was a rack of holes for his poster paint pots and a rack for his crayons and chalk and eraser.
Not to worry, it's only poster paint and will not be hard to remove.
We bought a small paint brush and jars of red and black water-soluble poster paint at a kids' store.
Gonzales came to a hand-lettered sign in green poster paint on white board that read: BERKELEY ROSE GARDENS RECLAMATION PROJECT He looked down to where broken redwood lattices fanned out along terraced pathways threaded with a clumsy patchwork of green pvc irrigation pipes.
As I shrugged, Ruby Bee and Estelle came out of the kitchen with a big, drippy banner made out of white muslin and poster paint.
Hanging there like a fly on a windowpane, I stared down at Hassan, and Hassan's big brown eyes, flat as poster paint, stared back at me.