Xiao Riben (Chinese: 小日本; pinyin: xiǎo Rìběn) is a derogatory Chinese slang term for the Japanese people or a person of Japanese descent.
Literally translated, it means "little Japan" or "little Japanese".
It is often used with "guizi" or ghost/devil, such as "xiao Riben guizi", or "little Japanese devil".
This is a derogatory term used in China against Japan from the beginning of the Second Sino-Japanese War until today.