Noun
dazibao (plural dazibaos or dazibao)
A wall-mounted newspaper or similar, used as a form of protest, propaganda, and popular communication in China.
Synonym: big-character poster
According to Shen, the trigger for the famous Tiananmen hunger-strikes of 1989 was a big-character poster ( dazibao ), a form of public political discussion that gained prominence during the Cultural Revolution. Source: Internet
Mao promptly endorsed Nie's dazibao as "the first Marxist big-character poster in China." Source: Internet