noun Disparaging and Offensive.
- (in historical contexts) the alleged danger that predominantly white Western civilizations and populations could be overwhelmed by Asian peoples.
- the Asian peoples regarded as presenting such a danger.
- the power or alleged power of Asiatic peoples, esp the Chinese, to threaten or destroy the supremacy of White or Western civilization
A supposed threat to the United States posed by Japan and China. The phrase arose in the late nineteenth century, at a time when Japanese and Chinese immigration to America was meeting resistance and when Japan was growing as a military power. (See internment of Japanese Americans.)