A communist who supports the modern People's Republic of China. The word Dengist comes from Deng Xiaoping, a leader of China after the death of Mao Zedong. Deng was responsible for many reforms that lead to market growth in China.
Ok Dengist is a derogatory word used to describe people that follow the ideology dengism, or are "dengists". Dengist can be used as an all around derogatory term to respond to anything. It is used in a similar fashion to "Ok Boomer".