wallposter

[ wawl-poh-ster ]
/ ˈwɔlˌpoʊ stər /

noun

(in China) a usually lengthy notice, complaint, personal opinion, etc., handwritten in large characters and hung on walls in cities, as a means of communication and for criticizing or attacking government policy or politicians.

Origin of wallposter

First recorded in 1965–70; wall + poster1

British Dictionary definitions for wallposter

wallposter
/ (ˈwɔːlˌpəʊstə) /

noun

(in China) a bulletin or political message painted in large characters on walls